172468899 has 16 divisors (see below), whose sum is σ = 259700640. Its totient is φ = 113093280.

The previous prime is 172468873. The next prime is 172468931. The reversal of 172468899 is 998864271.

172468899 is a `hidden beast` number, since 172 + 468 + 8 + 9 + 9 = 666.

172468899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 172468899 - 2²³ = 164080291 is a prime.

It is a super-2 number, since 2×172468899² = 59491042244544402, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172468199) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50712 + ... + 54005.

It is an arithmetic number, because the mean of its divisors is an integer number (16231290).

Almost surely, 2^172468899 is an apocalyptic number.

172468899 is a deficient number, since it is larger than the sum of its proper divisors (87231741).

172468899 is a wasteful number, since it uses less digits than its factorization.

172468899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104787 (or 104781 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 172468899 is about 13132.7414883565. The cubic root of 172468899 is about 556.6346838012.

The spelling of 172468899 in words is "one hundred seventy-two million, four hundred sixty-eight thousand, eight hundred ninety-nine".