97699457 has 8 divisors (see below), whose sum is σ = 99658080. Its totient is φ = 95751040.

The previous prime is 97699451. The next prime is 97699489. The reversal of 97699457 is 75499679.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 97699457 - 2⁸ = 97699201 is a prime.

Its product of digits (4286520) is a multiple of the sum of its prime divisors (5103).

It is not an unprimeable number, because it can be changed into a prime (97699451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18482 + ... + 23172.

It is an arithmetic number, because the mean of its divisors is an integer number (12457260).

Almost surely, 2^97699457 is an apocalyptic number.

It is an amenable number.

97699457 is a deficient number, since it is larger than the sum of its proper divisors (1958623).

97699457 is a wasteful number, since it uses less digits than its factorization.

97699457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5103.

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

The square root of 97699457 is about 9884.3035667669. The cubic root of 97699457 is about 460.5718423880.

The spelling of 97699457 in words is "ninety-seven million, six hundred ninety-nine thousand, four hundred fifty-seven".