538191096772 has 12 divisors (see below), whose sum is σ = 1076382193600. Its totient is φ = 230653327176.

The previous prime is 538191096683. The next prime is 538191096827. The reversal of 538191096772 is 277690191835.

538191096772 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9610555272 + ... + 9610555327.

Almost surely, 2^538191096772 is an apocalyptic number.

It is an amenable number.

538191096772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

538191096772 is a wasteful number, since it uses less digits than its factorization.

538191096772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19221110610 (or 19221110608 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 58.

The spelling of 538191096772 in words is "five hundred thirty-eight billion, one hundred ninety-one million, ninety-six thousand, seven hundred seventy-two".