97644899 has 8 divisors (see below), whose sum is σ = 106650048. Its totient is φ = 88661160.

The previous prime is 97644863. The next prime is 97644901. The reversal of 97644899 is 99844679.

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 97644899 - 2⁸ = 97644643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (97644829) 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, 5084 + ... + 14870.

It is an arithmetic number, because the mean of its divisors is an integer number (13331256).

Almost surely, 2^97644899 is an apocalyptic number.

97644899 is a deficient number, since it is larger than the sum of its proper divisors (9005149).

97644899 is a wasteful number, since it uses less digits than its factorization.

97644899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10705.

The product of its digits is 3919104, while the sum is 56.

The square root of 97644899 is about 9881.5433511168. The cubic root of 97644899 is about 460.4860945303.

The spelling of 97644899 in words is "ninety-seven million, six hundred forty-four thousand, eight hundred ninety-nine".