97694957 has 4 divisors (see below), whose sum is σ = 97728096. Its totient is φ = 97661820.

The previous prime is 97694921. The next prime is 97694963. The reversal of 97694957 is 75949679.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75949679 = 13 ⋅5842283.

It is a cyclic number.

It is not a de Polignac number, because 97694957 - 2¹⁰ = 97693933 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 (97694917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11663 + ... + 18204.

It is an arithmetic number, because the mean of its divisors is an integer number (24432024).

Almost surely, 2^97694957 is an apocalyptic number.

It is an amenable number.

97694957 is a deficient number, since it is larger than the sum of its proper divisors (33139).

97694957 is a wasteful number, since it uses less digits than its factorization.

97694957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33138.

The product of its digits is 4286520, while the sum is 56.

The square root of 97694957 is about 9884.0759305056. The cubic root of 97694957 is about 460.5647710245.

The spelling of 97694957 in words is "ninety-seven million, six hundred ninety-four thousand, nine hundred fifty-seven".