97478057 has 8 divisors (see below), whose sum is σ = 98271360. Its totient is φ = 96688480.

The previous prime is 97478053. The next prime is 97478083. The reversal of 97478057 is 75087479.

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 97478057 - 2² = 97478053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97478053) 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, 73244 + ... + 74562.

It is an arithmetic number, because the mean of its divisors is an integer number (12283920).

Almost surely, 2^97478057 is an apocalyptic number.

It is an amenable number.

97478057 is a deficient number, since it is larger than the sum of its proper divisors (793303).

97478057 is a wasteful number, since it uses less digits than its factorization.

97478057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 97478057 is about 9873.0976395456. The cubic root of 97478057 is about 460.2236735155.

The spelling of 97478057 in words is "ninety-seven million, four hundred seventy-eight thousand, fifty-seven".