79761408 has 52 divisors (see below), whose sum is σ = 212703888. Its totient is φ = 26583040.

The previous prime is 79761403. The next prime is 79761413. The reversal of 79761408 is 80416797.

It is an interprime number because it is at equal distance from previous prime (79761403) and next prime (79761413).

It is a super-2 number, since 2×79761408² = 12723764412284928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 79761408.

It is not an unprimeable number, because it can be changed into a prime (79761403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9043 + ... + 15533.

Almost surely, 2^79761408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79761408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106351944).

79761408 is an abundant number, since it is smaller than the sum of its proper divisors (132942480).

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

79761408 is an equidigital number, since it uses as much as digits as its factorization.

79761408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6518 (or 6496 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 42.

The square root of 79761408 is about 8930.9242522821. The cubic root of 79761408 is about 430.4581523854.

The spelling of 79761408 in words is "seventy-nine million, seven hundred sixty-one thousand, four hundred eight".