97263478 has 8 divisors (see below), whose sum is σ = 157117968. Its totient is φ = 44890824.

The previous prime is 97263407. The next prime is 97263487. The reversal of 97263478 is 87436279.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1870426 + ... + 1870477.

It is an arithmetic number, because the mean of its divisors is an integer number (19639746).

Almost surely, 2^97263478 is an apocalyptic number.

97263478 is a deficient number, since it is larger than the sum of its proper divisors (59854490).

97263478 is a wasteful number, since it uses less digits than its factorization.

97263478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740918.

The product of its digits is 508032, while the sum is 46.

The square root of 97263478 is about 9862.2247997092. The cubic root of 97263478 is about 459.8857277587.

The spelling of 97263478 in words is "ninety-seven million, two hundred sixty-three thousand, four hundred seventy-eight".