79673869 has 8 divisors (see below), whose sum is σ = 88342560. Its totient is φ = 71242800.

The previous prime is 79673851. The next prime is 79673873. The reversal of 79673869 is 96837697.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 79673869 - 2²³ = 71285261 is a prime.

It is a super-2 number, since 2×79673869² = 12695850802858322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79673819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58699 + ... + 60040.

It is an arithmetic number, because the mean of its divisors is an integer number (11042820).

Almost surely, 2^79673869 is an apocalyptic number.

It is an amenable number.

79673869 is a deficient number, since it is larger than the sum of its proper divisors (8668691).

79673869 is a wasteful number, since it uses less digits than its factorization.

79673869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118811.

The product of its digits is 3429216, while the sum is 55.

The square root of 79673869 is about 8926.0220143130. The cubic root of 79673869 is about 430.3006172608.

The spelling of 79673869 in words is "seventy-nine million, six hundred seventy-three thousand, eight hundred sixty-nine".