79609759 has 4 divisors (see below), whose sum is σ = 84292704. Its totient is φ = 74926816.

The previous prime is 79609729. The next prime is 79609787. The reversal of 79609759 is 95790697.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 79609759 - 2¹¹ = 79607711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79609709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2341447 + ... + 2341480.

It is an arithmetic number, because the mean of its divisors is an integer number (21073176).

Almost surely, 2^79609759 is an apocalyptic number.

79609759 is a deficient number, since it is larger than the sum of its proper divisors (4682945).

79609759 is a wasteful number, since it uses less digits than its factorization.

79609759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4682944.

The product of its (nonzero) digits is 1071630, while the sum is 52.

The square root of 79609759 is about 8922.4301061986. The cubic root of 79609759 is about 430.1851717350.

The spelling of 79609759 in words is "seventy-nine million, six hundred nine thousand, seven hundred fifty-nine".