79400766 has 16 divisors (see below), whose sum is σ = 162180864. Its totient is φ = 25903704.

The previous prime is 79400707. The next prime is 79400771. The reversal of 79400766 is 66700497.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140500 + ... + 141063.

It is an arithmetic number, because the mean of its divisors is an integer number (10136304).

Almost surely, 2^79400766 is an apocalyptic number.

79400766 is an abundant number, since it is smaller than the sum of its proper divisors (82780098).

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

79400766 is a wasteful number, since it uses less digits than its factorization.

79400766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281615.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 79400766 is about 8910.7107460629. The cubic root of 79400766 is about 429.8083985031.

The spelling of 79400766 in words is "seventy-nine million, four hundred thousand, seven hundred sixty-six".