37988797392 has 320 divisors, whose sum is σ = 136217948160. Its totient is φ = 9868801536.

The previous prime is 37988797373. The next prime is 37988797411. The reversal of 37988797392 is 29379788973.

37988797392 is a `hidden beast` number, since 3 + 79 + 8 + 87 + 97 + 392 = 666.

It is an interprime number because it is at equal distance from previous prime (37988797373) and next prime (37988797411).

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

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 37988797392.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2626693 + ... + 2641115.

It is an arithmetic number, because the mean of its divisors is an integer number (425681088).

Almost surely, 2^37988797392 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 37988797392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68108974080).

37988797392 is an abundant number, since it is smaller than the sum of its proper divisors (98229150768).

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

37988797392 is a wasteful number, since it uses less digits than its factorization.

37988797392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14527 (or 14515 counting only the distinct ones).

The product of its digits is 288054144, while the sum is 72.

The spelling of 37988797392 in words is "thirty-seven billion, nine hundred eighty-eight million, seven hundred ninety-seven thousand, three hundred ninety-two".