38820556990675 has 6 divisors (see below), whose sum is σ = 48137490668468. Its totient is φ = 31056445592520.

The previous prime is 38820556990591. The next prime is 38820556990679. The reversal of 38820556990675 is 57609965502883.

It is not a de Polignac number, because 38820556990675 - 2³¹ = 38818409507027 is a prime.

It is a super-2 number, since 2×38820556990675² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38820556990598 and 38820556990607.

It is not an unprimeable number, because it can be changed into a prime (38820556990679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 776411139789 + ... + 776411139838.

Almost surely, 2^{38820556990675} is an apocalyptic number.

38820556990675 is a deficient number, since it is larger than the sum of its proper divisors (9316933677793).

38820556990675 is a wasteful number, since it uses less digits than its factorization.

38820556990675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1552822279637 (or 1552822279632 counting only the distinct ones).

The product of its (nonzero) digits is 979776000, while the sum is 73.

The spelling of 38820556990675 in words is "thirty-eight trillion, eight hundred twenty billion, five hundred fifty-six million, nine hundred ninety thousand, six hundred seventy-five".