79669982 has 40 divisors (see below), whose sum is σ = 142783776. Its totient is φ = 33323136.

The previous prime is 79669981. The next prime is 79669987. The reversal of 79669982 is 28996697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79669981) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 225518 + ... + 225870.

Almost surely, 2^79669982 is an apocalyptic number.

79669982 is a deficient number, since it is larger than the sum of its proper divisors (63113794).

79669982 is an equidigital number, since it uses as much as digits as its factorization.

79669982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430 (or 409 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 56.

The square root of 79669982 is about 8925.8042774867. The cubic root of 79669982 is about 430.2936195433.

The spelling of 79669982 in words is "seventy-nine million, six hundred sixty-nine thousand, nine hundred eighty-two".