172928653607 has 2 divisors, whose sum is σ = 172928653608. Its totient is φ = 172928653606.

The previous prime is 172928653561. The next prime is 172928653673. The reversal of 172928653607 is 706356829271.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 172928653607 - 2⁸ = 172928653351 is a prime.

It is a super-2 number, since 2×172928653607² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (172928653687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86464326803 + 86464326804.

It is an arithmetic number, because the mean of its divisors is an integer number (86464326804).

Almost surely, 2^172928653607 is an apocalyptic number.

172928653607 is a deficient number, since it is larger than the sum of its proper divisors (1).

172928653607 is an equidigital number, since it uses as much as digits as its factorization.

172928653607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 172928653607 in words is "one hundred seventy-two billion, nine hundred twenty-eight million, six hundred fifty-three thousand, six hundred seven".