37985158987776 has 3840 divisors, whose sum is σ = 167089285883520. Its totient is φ = 8276032880640.

The previous prime is 37985158987771. The next prime is 37985158987799. The reversal of 37985158987776 is 67778985158973.

37985158987776 is a `hidden beast` number, since 3 + 7 + 9 + 8 + 515 + 8 + 9 + 87 + 7 + 7 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (37985158987771) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1309833068530 + ... + 1309833068558.

Almost surely, 2^{37985158987776} is an apocalyptic number.

37985158987776 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 37985158987776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83544642941760).

37985158987776 is an abundant number, since it is smaller than the sum of its proper divisors (129104126895744).

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

37985158987776 is a wasteful number, since it uses less digits than its factorization.

37985158987776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 82 counting only the distinct ones).

The product of its digits is 44808422400, while the sum is 90.

The spelling of 37985158987776 in words is "thirty-seven trillion, nine hundred eighty-five billion, one hundred fifty-eight million, nine hundred eighty-seven thousand, seven hundred seventy-six".