99379870 has 16 divisors (see below), whose sum is σ = 179071200. Its totient is φ = 39710304.

The previous prime is 99379853. The next prime is 99379883. The reversal of 99379870 is 7897399.

It is a super-2 number, since 2×99379870² = 19752717122433800, 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 7 ways as a sum of consecutive naturals, for example, 5956 + ... + 15304.

It is an arithmetic number, because the mean of its divisors is an integer number (11191950).

Almost surely, 2^99379870 is an apocalyptic number.

99379870 is a deficient number, since it is larger than the sum of its proper divisors (79691330).

99379870 is a wasteful number, since it uses less digits than its factorization.

99379870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10419.

The product of its (nonzero) digits is 857304, while the sum is 52.

The square root of 99379870 is about 9968.9452802190. The cubic root of 99379870 is about 463.1974303667.

The spelling of 99379870 in words is "ninety-nine million, three hundred seventy-nine thousand, eight hundred seventy".