79278412 has 48 divisors (see below), whose sum is σ = 158336640. Its totient is φ = 34497792.

The previous prime is 79278371. The next prime is 79278413. The reversal of 79278412 is 21487297.

It is not an unprimeable number, because it can be changed into a prime (79278413) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 54843 + ... + 56269.

It is an arithmetic number, because the mean of its divisors is an integer number (3298680).

Almost surely, 2^79278412 is an apocalyptic number.

It is an amenable number.

79278412 is a deficient number, since it is larger than the sum of its proper divisors (79058228).

79278412 is a wasteful number, since it uses less digits than its factorization.

79278412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1508 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 79278412 is about 8903.8425412852. The cubic root of 79278412 is about 429.5875114130.

The spelling of 79278412 in words is "seventy-nine million, two hundred seventy-eight thousand, four hundred twelve".