79413894 has 96 divisors (see below), whose sum is σ = 208765440. Its totient is φ = 21326976.

The previous prime is 79413883. The next prime is 79413923. The reversal of 79413894 is 49831497.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193962 + ... + 194370.

It is an arithmetic number, because the mean of its divisors is an integer number (2174640).

Almost surely, 2^79413894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79413894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104382720).

79413894 is an abundant number, since it is smaller than the sum of its proper divisors (129351546).

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

79413894 is a wasteful number, since it uses less digits than its factorization.

79413894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 511 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 79413894 is about 8911.4473571918. The cubic root of 79413894 is about 429.8320851499.

The spelling of 79413894 in words is "seventy-nine million, four hundred thirteen thousand, eight hundred ninety-four".