97479457 has 4 divisors (see below), whose sum is σ = 99553536. Its totient is φ = 95405380.

The previous prime is 97479401. The next prime is 97479467. The reversal of 97479457 is 75497479.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97479457 - 2¹⁵ = 97446689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97479467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036969 + ... + 1037062.

It is an arithmetic number, because the mean of its divisors is an integer number (24888384).

Almost surely, 2^97479457 is an apocalyptic number.

It is an amenable number.

97479457 is a deficient number, since it is larger than the sum of its proper divisors (2074079).

97479457 is a wasteful number, since it uses less digits than its factorization.

97479457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074078.

The product of its digits is 2222640, while the sum is 52.

The square root of 97479457 is about 9873.1685390254. The cubic root of 97479457 is about 460.2258767808.

The spelling of 97479457 in words is "ninety-seven million, four hundred seventy-nine thousand, four hundred fifty-seven".