97947294475 has 12 divisors (see below), whose sum is σ = 124737204304. Its totient is φ = 76240055520.

The previous prime is 97947294463. The next prime is 97947294539. The reversal of 97947294475 is 57449274979.

It is not a de Polignac number, because 97947294475 - 2⁵ = 97947294443 is a prime.

It is a hoax number, since the sum of its digits (67) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 97947294475.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52943559 + ... + 52945408.

Almost surely, 2^97947294475 is an apocalyptic number.

97947294475 is a deficient number, since it is larger than the sum of its proper divisors (26789909829).

97947294475 is a wasteful number, since it uses less digits than its factorization.

97947294475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105889014 (or 105889009 counting only the distinct ones).

The product of its digits is 160030080, while the sum is 67.

The spelling of 97947294475 in words is "ninety-seven billion, nine hundred forty-seven million, two hundred ninety-four thousand, four hundred seventy-five".