97886645 has 8 divisors (see below), whose sum is σ = 120638904. Its totient is φ = 76192704.

The previous prime is 97886627. The next prime is 97886671. The reversal of 97886645 is 54668879.

It can be written as a sum of positive squares in 4 ways, for example, as 45454564 + 52432081 = 6742^2 + 7241^2 .

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 97886645 - 2¹⁰ = 97885621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264374 + ... + 264743.

It is an arithmetic number, because the mean of its divisors is an integer number (15079863).

Almost surely, 2^97886645 is an apocalyptic number.

It is an amenable number.

97886645 is a deficient number, since it is larger than the sum of its proper divisors (22752259).

97886645 is a wasteful number, since it uses less digits than its factorization.

97886645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529159.

The product of its digits is 2903040, while the sum is 53.

The square root of 97886645 is about 9893.7679879811. The cubic root of 97886645 is about 460.8658000780.

The spelling of 97886645 in words is "ninety-seven million, eight hundred eighty-six thousand, six hundred forty-five".