97644885 has 64 divisors (see below), whose sum is σ = 179988480. Its totient is φ = 44835840.

The previous prime is 97644863. The next prime is 97644901. The reversal of 97644885 is 58844679.

It is not a de Polignac number, because 97644885 - 2¹² = 97640789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175027 + ... + 175583.

It is an arithmetic number, because the mean of its divisors is an integer number (2812320).

Almost surely, 2^97644885 is an apocalyptic number.

It is an amenable number.

97644885 is a deficient number, since it is larger than the sum of its proper divisors (82343595).

97644885 is a wasteful number, since it uses less digits than its factorization.

97644885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638.

The product of its digits is 1935360, while the sum is 51.

The square root of 97644885 is about 9881.5426427254. The cubic root of 97644885 is about 460.4860725227.

The spelling of 97644885 in words is "ninety-seven million, six hundred forty-four thousand, eight hundred eighty-five".