3752867821878 has 96 divisors (see below), whose sum is σ = 9703202440320. Its totient is φ = 1072036682640.

The previous prime is 3752867821877. The next prime is 3752867821897. The reversal of 3752867821878 is 8781287682573.

3752867821878 is a `hidden beast` number, since 3 + 7 + 528 + 6 + 7 + 8 + 21 + 8 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3752867821877) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13545325 + ... + 13819607.

It is an arithmetic number, because the mean of its divisors is an integer number (101075025420).

Almost surely, 2^{3752867821878} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3752867821878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4851601220160).

3752867821878 is an abundant number, since it is smaller than the sum of its proper divisors (5950334618442).

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

3752867821878 is a wasteful number, since it uses less digits than its factorization.

3752867821878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279479 (or 279466 counting only the distinct ones).

The product of its digits is 505774080, while the sum is 72.

The spelling of 3752867821878 in words is "three trillion, seven hundred fifty-two billion, eight hundred sixty-seven million, eight hundred twenty-one thousand, eight hundred seventy-eight".