38387756866372 has 6 divisors (see below), whose sum is σ = 67178574516158. Its totient is φ = 19193878433184.

The previous prime is 38387756866351. The next prime is 38387756866397. The reversal of 38387756866372 is 27366865778383.

It can be written as a sum of positive squares in only one way, i.e., 27228108419136 + 11159648447236 = 5218056^2 + 3340606^2 .

It is a super-3 number, since 3×38387756866372³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38387756866292 and 38387756866301.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4798469608293 + ... + 4798469608300.

Almost surely, 2^{38387756866372} is an apocalyptic number.

It is an amenable number.

38387756866372 is a deficient number, since it is larger than the sum of its proper divisors (28790817649786).

38387756866372 is a wasteful number, since it uses less digits than its factorization.

38387756866372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9596939216597 (or 9596939216595 counting only the distinct ones).

The product of its digits is 10241925120, while the sum is 79.

The spelling of 38387756866372 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred fifty-six million, eight hundred sixty-six thousand, three hundred seventy-two".