3876156512 has 72 divisors (see below), whose sum is σ = 8114699880. Its totient is φ = 1821923840.

The previous prime is 3876156499. The next prime is 3876156533. The reversal of 3876156512 is 2156516783.

It is a super-2 number, since 2×3876156512² = 30049178611040012288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 996812 + ... + 1000692.

It is an arithmetic number, because the mean of its divisors is an integer number (112704165).

Almost surely, 2^3876156512 is an apocalyptic number.

3876156512 is a gapful number since it is divisible by the number (32) 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 3876156512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4057349940).

3876156512 is an abundant number, since it is smaller than the sum of its proper divisors (4238543368).

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

3876156512 is a wasteful number, since it uses less digits than its factorization.

3876156512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996 (or 3965 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 3876156512 is about 62258.7866248612. The cubic root of 3876156512 is about 1570.8465706279.

The spelling of 3876156512 in words is "three billion, eight hundred seventy-six million, one hundred fifty-six thousand, five hundred twelve".