79669485 has 24 divisors (see below), whose sum is σ = 157822080. Its totient is φ = 36420192.

The previous prime is 79669439. The next prime is 79669487. The reversal of 79669485 is 58496697.

It is not a de Polignac number, because 79669485 - 2¹³ = 79661293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79669487) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 126145 + ... + 126774.

It is an arithmetic number, because the mean of its divisors is an integer number (6575920).

Almost surely, 2^79669485 is an apocalyptic number.

It is an amenable number.

79669485 is a deficient number, since it is larger than the sum of its proper divisors (78152595).

79669485 is a wasteful number, since it uses less digits than its factorization.

79669485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252937 (or 252934 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 79669485 is about 8925.7764368149. The cubic root of 79669485 is about 430.2927247839.

The spelling of 79669485 in words is "seventy-nine million, six hundred sixty-nine thousand, four hundred eighty-five".