79278488 has 48 divisors (see below), whose sum is σ = 159059880. Its totient is φ = 37034496.

The previous prime is 79278481. The next prime is 79278503. The reversal of 79278488 is 88487297.

It is a happy number.

It is a super-2 number, since 2×79278488² = 12570157319132288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79278481) 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 11 ways as a sum of consecutive naturals, for example, 279995 + ... + 280277.

Almost surely, 2^79278488 is an apocalyptic number.

It is an amenable number.

79278488 is an abundant number, since it is smaller than the sum of its proper divisors (79781392).

79278488 is a wasteful number, since it uses less digits than its factorization.

79278488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 401 counting only the distinct ones).

The product of its digits is 1806336, while the sum is 53.

The square root of 79278488 is about 8903.8468091045. The cubic root of 79278488 is about 429.5876486872.

The spelling of 79278488 in words is "seventy-nine million, two hundred seventy-eight thousand, four hundred eighty-eight".