3875212836 has 72 divisors (see below), whose sum is σ = 10700018784. Its totient is φ = 1172787840.

The previous prime is 3875212763. The next prime is 3875212837. The reversal of 3875212836 is 6382125783.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 3875212791 and 3875212800.

It is not an unprimeable number, because it can be changed into a prime (3875212837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321576 + ... + 333408.

It is an arithmetic number, because the mean of its divisors is an integer number (148611372).

Almost surely, 2^3875212836 is an apocalyptic number.

3875212836 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3875212836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5350009392).

3875212836 is an abundant number, since it is smaller than the sum of its proper divisors (6824805948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3875212836 is a wasteful number, since it uses less digits than its factorization.

3875212836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12681 (or 12676 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 3875212836 is about 62251.2075063609. The cubic root of 3875212836 is about 1570.7190826108.

The spelling of 3875212836 in words is "three billion, eight hundred seventy-five million, two hundred twelve thousand, eight hundred thirty-six".