172579752099 has 12 divisors (see below), whose sum is σ = 249498081976. Its totient is φ = 114953375232.

The previous prime is 172579752097. The next prime is 172579752157. The reversal of 172579752099 is 990257975271.

172579752099 is a `hidden beast` number, since 1 + 7 + 2 + 579 + 7 + 52 + 0 + 9 + 9 = 666.

It is not a de Polignac number, because 172579752099 - 2¹ = 172579752097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172579752097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8305117 + ... + 8325870.

Almost surely, 2^172579752099 is an apocalyptic number.

172579752099 is a deficient number, since it is larger than the sum of its proper divisors (76918329877).

172579752099 is a wasteful number, since it uses less digits than its factorization.

172579752099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16632146 (or 16632143 counting only the distinct ones).

The product of its (nonzero) digits is 25004700, while the sum is 63.

The spelling of 172579752099 in words is "one hundred seventy-two billion, five hundred seventy-nine million, seven hundred fifty-two thousand, ninety-nine".