79798930 has 8 divisors (see below), whose sum is σ = 143638092. Its totient is φ = 31919568.

The previous prime is 79798921. The next prime is 79798933. The reversal of 79798930 is 3989797.

It can be written as a sum of positive squares in 2 ways, for example, as 79798489 + 441 = 8933^2 + 21^2 .

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

It is not an unprimeable number, because it can be changed into a prime (79798933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3989937 + ... + 3989956.

Almost surely, 2^79798930 is an apocalyptic number.

79798930 is a deficient number, since it is larger than the sum of its proper divisors (63839162).

79798930 is a wasteful number, since it uses less digits than its factorization.

79798930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7979900.

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

The square root of 79798930 is about 8933.0246837228. The cubic root of 79798930 is about 430.5256416601.

The spelling of 79798930 in words is "seventy-nine million, seven hundred ninety-eight thousand, nine hundred thirty".