38890762964 has 24 divisors (see below), whose sum is σ = 69733829088. Its totient is φ = 18968009760.

The previous prime is 38890762961. The next prime is 38890762979. The reversal of 38890762964 is 46926709883.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38890762897 and 38890762906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38890762961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19142 + ... + 279549.

It is an arithmetic number, because the mean of its divisors is an integer number (2905576212).

Almost surely, 2^38890762964 is an apocalyptic number.

It is an amenable number.

38890762964 is a deficient number, since it is larger than the sum of its proper divisors (30843066124).

38890762964 is a wasteful number, since it uses less digits than its factorization.

38890762964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299495 (or 299493 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 62.

The spelling of 38890762964 in words is "thirty-eight billion, eight hundred ninety million, seven hundred sixty-two thousand, nine hundred sixty-four".