80855714817 has 12 divisors (see below), whose sum is σ = 116823554640. Its totient is φ = 53889056088.

The previous prime is 80855714791. The next prime is 80855714833. The reversal of 80855714817 is 71841755808.

80855714817 is a `hidden beast` number, since 8 + 0 + 8 + 557 + 1 + 4 + 81 + 7 = 666.

It is not a de Polignac number, because 80855714817 - 2¹² = 80855710721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80855704817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1194723 + ... + 1260584.

It is an arithmetic number, because the mean of its divisors is an integer number (9735296220).

Almost surely, 2^80855714817 is an apocalyptic number.

It is an amenable number.

80855714817 is a deficient number, since it is larger than the sum of its proper divisors (35967839823).

80855714817 is a wasteful number, since it uses less digits than its factorization.

80855714817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2458972 (or 2458969 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 54.

The spelling of 80855714817 in words is "eighty billion, eight hundred fifty-five million, seven hundred fourteen thousand, eight hundred seventeen".