79663089 has 16 divisors (see below), whose sum is σ = 116222400. Its totient is φ = 48135360.

The previous prime is 79663069. The next prime is 79663117. The reversal of 79663089 is 98036697.

It is a happy number.

It is not a de Polignac number, because 79663089 - 2¹⁵ = 79630321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79663009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8059 + ... + 14975.

It is an arithmetic number, because the mean of its divisors is an integer number (7263900).

Almost surely, 2^79663089 is an apocalyptic number.

It is an amenable number.

79663089 is a deficient number, since it is larger than the sum of its proper divisors (36559311).

79663089 is a wasteful number, since it uses less digits than its factorization.

79663089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7280.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 79663089 is about 8925.4181414654. The cubic root of 79663089 is about 430.2812096017.

The spelling of 79663089 in words is "seventy-nine million, six hundred sixty-three thousand, eighty-nine".