97999958 has 8 divisors (see below), whose sum is σ = 167999952. Its totient is φ = 41999976.

The previous prime is 97999949. The next prime is 98000027. The reversal of 97999958 is 85999979.

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

It is a junction number, because it is equal to n+sod(n) for n = 97999894 and 97999903.

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, 3499985 + ... + 3500012.

It is an arithmetic number, because the mean of its divisors is an integer number (20999994).

Almost surely, 2^97999958 is an apocalyptic number.

97999958 is a deficient number, since it is larger than the sum of its proper divisors (69999994).

97999958 is a wasteful number, since it uses less digits than its factorization.

97999958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000006.

The product of its digits is 16533720, while the sum is 65.

The square root of 97999958 is about 9899.4928152911. The cubic root of 97999958 is about 461.0435633425.

The spelling of 97999958 in words is "ninety-seven million, nine hundred ninety-nine thousand, nine hundred fifty-eight".