79457408 has 32 divisors (see below), whose sum is σ = 159381120. Its totient is φ = 39456000.

The previous prime is 79457381. The next prime is 79457429. The reversal of 79457408 is 80475497.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17273 + ... + 21383.

It is an arithmetic number, because the mean of its divisors is an integer number (4980660).

Almost surely, 2^79457408 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 79457408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79690560).

79457408 is an abundant number, since it is smaller than the sum of its proper divisors (79923712).

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

79457408 is a wasteful number, since it uses less digits than its factorization.

79457408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4276 (or 4264 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 79457408 is about 8913.8884893182. Note that the first 3 decimals coincide. The cubic root of 79457408 is about 429.9105781243.

The spelling of 79457408 in words is "seventy-nine million, four hundred fifty-seven thousand, four hundred eight".