38928925155 has 8 divisors (see below), whose sum is σ = 62286280272. Its totient is φ = 20762093408.

The previous prime is 38928925127. The next prime is 38928925157. The reversal of 38928925155 is 55152982983.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38928925155 - 2⁷ = 38928925027 is a prime.

It is a super-2 number, since 2×38928925155² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38928925095 and 38928925104.

It is not an unprimeable number, because it can be changed into a prime (38928925157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1297630824 + ... + 1297630853.

It is an arithmetic number, because the mean of its divisors is an integer number (7785785034).

Almost surely, 2^38928925155 is an apocalyptic number.

38928925155 is a deficient number, since it is larger than the sum of its proper divisors (23357355117).

38928925155 is a wasteful number, since it uses less digits than its factorization.

38928925155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595261685.

The product of its digits is 7776000, while the sum is 57.

The spelling of 38928925155 in words is "thirty-eight billion, nine hundred twenty-eight million, nine hundred twenty-five thousand, one hundred fifty-five".