97844975 has 12 divisors (see below), whose sum is σ = 121949784. Its totient is φ = 77874720.

The previous prime is 97844969. The next prime is 97845001. The reversal of 97844975 is 57944879.

It is not a de Polignac number, because 97844975 - 2¹⁰ = 97843951 is a prime.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5009 + ... + 14858.

It is an arithmetic number, because the mean of its divisors is an integer number (10162482).

Almost surely, 2^97844975 is an apocalyptic number.

97844975 is a deficient number, since it is larger than the sum of its proper divisors (24104809).

97844975 is a wasteful number, since it uses less digits than its factorization.

97844975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20074 (or 20069 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The square root of 97844975 is about 9891.6618927256. The cubic root of 97844975 is about 460.8003944802.

The spelling of 97844975 in words is "ninety-seven million, eight hundred forty-four thousand, nine hundred seventy-five".