37898569872 has 160 divisors (see below), whose sum is σ = 113181327360. Its totient is φ = 12128538240.

The previous prime is 37898569859. The next prime is 37898569927. The reversal of 37898569872 is 27896589873.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 37898569872.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1689643 + ... + 1711925.

It is an arithmetic number, because the mean of its divisors is an integer number (707383296).

Almost surely, 2^37898569872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 37898569872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56590663680).

37898569872 is an abundant number, since it is smaller than the sum of its proper divisors (75282757488).

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

37898569872 is a wasteful number, since it uses less digits than its factorization.

37898569872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22458 (or 22446 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 72.

The spelling of 37898569872 in words is "thirty-seven billion, eight hundred ninety-eight million, five hundred sixty-nine thousand, eight hundred seventy-two".