97173977 has 8 divisors (see below), whose sum is σ = 99778560. Its totient is φ = 94580640.

The previous prime is 97173971. The next prime is 97173997. The reversal of 97173977 is 77937179.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97173977 - 2⁶ = 97173913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97173971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16424 + ... + 21542.

It is an arithmetic number, because the mean of its divisors is an integer number (12472320).

Almost surely, 2^97173977 is an apocalyptic number.

It is an amenable number.

97173977 is a deficient number, since it is larger than the sum of its proper divisors (2604583).

97173977 is a wasteful number, since it uses less digits than its factorization.

97173977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623.

The product of its digits is 583443, while the sum is 50.

The square root of 97173977 is about 9857.6861889594. The cubic root of 97173977 is about 459.7446235302.

The spelling of 97173977 in words is "ninety-seven million, one hundred seventy-three thousand, nine hundred seventy-seven".