79960786 has 16 divisors (see below), whose sum is σ = 121627800. Its totient is φ = 39421440.

The previous prime is 79960781. The next prime is 79960799. The reversal of 79960786 is 68706997.

It can be written as a sum of positive squares in 4 ways, for example, as 79762761 + 198025 = 8931^2 + 445^2 .

It is not an unprimeable number, because it can be changed into a prime (79960781) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 67116 + ... + 68296.

Almost surely, 2^79960786 is an apocalyptic number.

79960786 is a deficient number, since it is larger than the sum of its proper divisors (41667014).

79960786 is a wasteful number, since it uses less digits than its factorization.

79960786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 79960786 is about 8942.0795120598. The cubic root of 79960786 is about 430.8165231650.

The spelling of 79960786 in words is "seventy-nine million, nine hundred sixty thousand, seven hundred eighty-six".