97906975 has 24 divisors (see below), whose sum is σ = 129804192. Its totient is φ = 73075200.

The previous prime is 97906951. The next prime is 97906979. The reversal of 97906975 is 57960979.

It is a de Polignac number, because none of the positive numbers 2^k-97906975 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97906979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21499 + ... + 25651.

It is an arithmetic number, because the mean of its divisors is an integer number (5408508).

Almost surely, 2^97906975 is an apocalyptic number.

97906975 is a deficient number, since it is larger than the sum of its proper divisors (31897217).

97906975 is a wasteful number, since it uses less digits than its factorization.

97906975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4227 (or 4222 counting only the distinct ones).

The product of its (nonzero) digits is 1071630, while the sum is 52.

The square root of 97906975 is about 9894.7953490711. The cubic root of 97906975 is about 460.8977034874.

The spelling of 97906975 in words is "ninety-seven million, nine hundred six thousand, nine hundred seventy-five".