97999894 has 8 divisors (see below), whose sum is σ = 147041928. Its totient is φ = 48985920.

The previous prime is 97999879. The next prime is 97999919. The reversal of 97999894 is 49899979.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×97999894² = 19207958448022472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9414 + ... + 16870.

It is an arithmetic number, because the mean of its divisors is an integer number (18380241).

Almost surely, 2^97999894 is an apocalyptic number.

97999894 is a deficient number, since it is larger than the sum of its proper divisors (49042034).

97999894 is a wasteful number, since it uses less digits than its factorization.

97999894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14030.

The product of its digits is 13226976, while the sum is 64.

The square root of 97999894 is about 9899.4895828017. The cubic root of 97999894 is about 461.0434629792.

The spelling of 97999894 in words is "ninety-seven million, nine hundred ninety-nine thousand, eight hundred ninety-four".