97736691 has 8 divisors (see below), whose sum is σ = 140339920. Its totient is φ = 60145632.

The previous prime is 97736669. The next prime is 97736693. The reversal of 97736691 is 19663779.

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

It is not a de Polignac number, because 97736691 - 2⁵ = 97736659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 97736691.

It is not an unprimeable number, because it can be changed into a prime (97736693) 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, 1252996 + ... + 1253073.

It is an arithmetic number, because the mean of its divisors is an integer number (17542490).

Almost surely, 2^97736691 is an apocalyptic number.

97736691 is a deficient number, since it is larger than the sum of its proper divisors (42603229).

97736691 is a wasteful number, since it uses less digits than its factorization.

97736691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2506085.

The product of its digits is 428652, while the sum is 48.

The square root of 97736691 is about 9886.1868786707. The cubic root of 97736691 is about 460.6303440912.

The spelling of 97736691 in words is "ninety-seven million, seven hundred thirty-six thousand, six hundred ninety-one".