79779834 has 24 divisors (see below), whose sum is σ = 173482452. Its totient is φ = 26496960.

The previous prime is 79779829. The next prime is 79779839. The reversal of 79779834 is 43897797.

It is an interprime number because it is at equal distance from previous prime (79779829) and next prime (79779839).

It can be written as a sum of positive squares in 2 ways, for example, as 78375609 + 1404225 = 8853^2 + 1185^2 .

It is not an unprimeable number, because it can be changed into a prime (79779839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2829 + ... + 12944.

Almost surely, 2^79779834 is an apocalyptic number.

79779834 is an abundant number, since it is smaller than the sum of its proper divisors (93702618).

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

79779834 is a wasteful number, since it uses less digits than its factorization.

79779834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16062 (or 16059 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 79779834 is about 8931.9557768722. The cubic root of 79779834 is about 430.4912971163.

The spelling of 79779834 in words is "seventy-nine million, seven hundred seventy-nine thousand, eight hundred thirty-four".