10172056984 has 8 divisors (see below), whose sum is σ = 19072606860. Its totient is φ = 5086028488.

The previous prime is 10172056969. The next prime is 10172057017. The reversal of 10172056984 is 48965027101.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 10172056984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635753554 + ... + 635753569.

Almost surely, 2^10172056984 is an apocalyptic number.

It is an amenable number.

10172056984 is a deficient number, since it is larger than the sum of its proper divisors (8900549876).

10172056984 is a wasteful number, since it uses less digits than its factorization.

10172056984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271507129 (or 1271507125 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 10172056984 in words is "ten billion, one hundred seventy-two million, fifty-six thousand, nine hundred eighty-four".