38928925057 has 16 divisors (see below), whose sum is σ = 45395199360. Its totient is φ = 33025590400.

The previous prime is 38928925027. The next prime is 38928925081. The reversal of 38928925057 is 75052982983.

It is not a de Polignac number, because 38928925057 - 2¹¹ = 38928923009 is a prime.

It is a super-2 number, since 2×38928925057² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38928924992 and 38928925010.

It is not an unprimeable number, because it can be changed into a prime (38928925027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1866082 + ... + 1886827.

It is an arithmetic number, because the mean of its divisors is an integer number (2837199960).

Almost surely, 2^38928925057 is an apocalyptic number.

It is an amenable number.

38928925057 is a deficient number, since it is larger than the sum of its proper divisors (6466274303).

38928925057 is a wasteful number, since it uses less digits than its factorization.

38928925057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3752984.

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 38928925057 in words is "thirty-eight billion, nine hundred twenty-eight million, nine hundred twenty-five thousand, fifty-seven".