97813668 has 12 divisors (see below), whose sum is σ = 228231920. Its totient is φ = 32604552.

The previous prime is 97813643. The next prime is 97813693. The reversal of 97813668 is 86631879.

It is an interprime number because it is at equal distance from previous prime (97813643) and next prime (97813693).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×97813668² = 19135027295228448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4075558 + ... + 4075581.

Almost surely, 2^97813668 is an apocalyptic number.

It is an amenable number.

97813668 is an abundant number, since it is smaller than the sum of its proper divisors (130418252).

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

97813668 is a wasteful number, since it uses less digits than its factorization.

97813668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8151146 (or 8151144 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

The square root of 97813668 is about 9890.0792716742. The cubic root of 97813668 is about 460.7512425203.

The spelling of 97813668 in words is "ninety-seven million, eight hundred thirteen thousand, six hundred sixty-eight".