97755475 has 24 divisors (see below), whose sum is σ = 128652480. Its totient is φ = 73476000.

The previous prime is 97755461. The next prime is 97755487. The reversal of 97755475 is 57455779.

It is a happy number.

It is not a de Polignac number, because 97755475 - 2¹⁵ = 97722707 is a prime.

It is a super-2 number, since 2×97755475² = 19112265784951250, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61440 + ... + 63010.

It is an arithmetic number, because the mean of its divisors is an integer number (5360520).

Almost surely, 2^97755475 is an apocalyptic number.

97755475 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

97755475 is a deficient number, since it is larger than the sum of its proper divisors (30897005).

97755475 is a wasteful number, since it uses less digits than its factorization.

97755475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731 (or 1726 counting only the distinct ones).

The product of its digits is 1543500, while the sum is 49.

The square root of 97755475 is about 9887.1368454169. The cubic root of 97755475 is about 460.6598516932.

The spelling of 97755475 in words is "ninety-seven million, seven hundred fifty-five thousand, four hundred seventy-five".