38697276628 has 12 divisors (see below), whose sum is σ = 67722046420. Its totient is φ = 19348120512.

The previous prime is 38697276623. The next prime is 38697276659. The reversal of 38697276628 is 82667279683.

It can be written as a sum of positive squares in 2 ways, for example, as 36489404484 + 2207872144 = 191022^2 + 46988^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38697276628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38697276623) 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 3 ways as a sum of consecutive naturals, for example, 74350 + ... + 287962.

Almost surely, 2^38697276628 is an apocalyptic number.

It is an amenable number.

38697276628 is a deficient number, since it is larger than the sum of its proper divisors (29024769792).

38697276628 is a wasteful number, since it uses less digits than its factorization.

38697276628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258906 (or 258904 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 64.

The spelling of 38697276628 in words is "thirty-eight billion, six hundred ninety-seven million, two hundred seventy-six thousand, six hundred twenty-eight".