172249563087 has 48 divisors (see below), whose sum is σ = 290956323840. Its totient is φ = 96149042496.

The previous prime is 172249563049. The next prime is 172249563113. The reversal of 172249563087 is 780365942271.

It is a happy number.

172249563087 is a `hidden beast` number, since 1 + 72 + 2 + 4 + 9 + 563 + 0 + 8 + 7 = 666.

It is not a de Polignac number, because 172249563087 - 2²⁸ = 171981127631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172249563007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1492989 + ... + 1604217.

It is an arithmetic number, because the mean of its divisors is an integer number (6061590080).

It is a 1-persistent number, because it is pandigital, but 2⋅172249563087 = 344499126174 is not.

Almost surely, 2^172249563087 is an apocalyptic number.

172249563087 is a deficient number, since it is larger than the sum of its proper divisors (118706760753).

172249563087 is a wasteful number, since it uses less digits than its factorization.

172249563087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111812 (or 111809 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 172249563087 in words is "one hundred seventy-two billion, two hundred forty-nine million, five hundred sixty-three thousand, eighty-seven".