97891068 has 24 divisors (see below), whose sum is σ = 249177600. Its totient is φ = 29663920.

The previous prime is 97891051. The next prime is 97891081. The reversal of 97891068 is 86019879.

It is a happy number.

It is a super-2 number, since 2×97891068² = 19165322388361248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370668 + ... + 370931.

It is an arithmetic number, because the mean of its divisors is an integer number (10382400).

Almost surely, 2^97891068 is an apocalyptic number.

It is an amenable number.

97891068 is an abundant number, since it is smaller than the sum of its proper divisors (151286532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97891068 is a wasteful number, since it uses less digits than its factorization.

97891068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741617 (or 741615 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 48.

The square root of 97891068 is about 9893.9915100024. The cubic root of 97891068 is about 460.8727413678.

The spelling of 97891068 in words is "ninety-seven million, eight hundred ninety-one thousand, sixty-eight".