76847089 has 16 divisors (see below), whose sum is σ = 89470656. Its totient is φ = 65228800.

The previous prime is 76847081. The next prime is 76847093. The reversal of 76847089 is 98074867.

It is a cyclic number.

It is not a de Polignac number, because 76847089 - 2³ = 76847081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76847081) 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, 22929 + ... + 26065.

It is an arithmetic number, because the mean of its divisors is an integer number (5591916).

Almost surely, 2^76847089 is an apocalyptic number.

It is an amenable number.

76847089 is a deficient number, since it is larger than the sum of its proper divisors (12623567).

76847089 is a wasteful number, since it uses less digits than its factorization.

76847089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 76847089 is about 8766.2471445882. The cubic root of 76847089 is about 425.1502841067.

The spelling of 76847089 in words is "seventy-six million, eight hundred forty-seven thousand, eighty-nine".