172767004136 has 8 divisors (see below), whose sum is σ = 323938132770. Its totient is φ = 86383502064.

The previous prime is 172767004127. The next prime is 172767004139. The reversal of 172767004136 is 631400767271.

172767004136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 155764408900 + 17002595236 = 394670^2 + 130394^2 .

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

It is a super-2 number, since 2×172767004136² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (172767004139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10797937751 + ... + 10797937766.

Almost surely, 2^172767004136 is an apocalyptic number.

It is an amenable number.

172767004136 is a deficient number, since it is larger than the sum of its proper divisors (151171128634).

172767004136 is a wasteful number, since it uses less digits than its factorization.

172767004136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21595875523 (or 21595875519 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 172767004136 in words is "one hundred seventy-two billion, seven hundred sixty-seven million, four thousand, one hundred thirty-six".