172696797 has 96 divisors (see below), whose sum is σ = 325328640. Its totient is φ = 85847040.

The previous prime is 172696789. The next prime is 172696801. The reversal of 172696797 is 797696271.

It is a happy number.

172696797 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 172696797 - 2³ = 172696789 is a prime.

Its product of digits (2000376) is a multiple of the sum of its prime factors (243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172696597) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1242354 + ... + 1242492.

It is an arithmetic number, because the mean of its divisors is an integer number (3388840).

Almost surely, 2^172696797 is an apocalyptic number.

It is an amenable number.

172696797 is a deficient number, since it is larger than the sum of its proper divisors (152631843).

172696797 is a wasteful number, since it uses less digits than its factorization.

172696797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 240 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 54.

The square root of 172696797 is about 13141.4153347347. The cubic root of 172696797 is about 556.8797523279.

The spelling of 172696797 in words is "one hundred seventy-two million, six hundred ninety-six thousand, seven hundred ninety-seven".