80459566295985 has 24 divisors (see below), whose sum is σ = 139532598601344. Its totient is φ = 42890430120480.

The previous prime is 80459566295981. The next prime is 80459566295993. The reversal of 80459566295985 is 58959266595408.

It is a happy number.

80459566295985 is a `hidden beast` number, since 8 + 0 + 45 + 9 + 566 + 2 + 9 + 5 + 9 + 8 + 5 = 666.

It is not a de Polignac number, because 80459566295985 - 2² = 80459566295981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80459566295981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 444462057 + ... + 444643046.

It is an arithmetic number, because the mean of its divisors is an integer number (5813858275056).

Almost surely, 2^{80459566295985} is an apocalyptic number.

It is an amenable number.

80459566295985 is a deficient number, since it is larger than the sum of its proper divisors (59073032305359).

80459566295985 is a wasteful number, since it uses less digits than its factorization.

80459566295985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889107125 (or 889107122 counting only the distinct ones).

The product of its (nonzero) digits is 8398080000, while the sum is 81.

The spelling of 80459566295985 in words is "eighty trillion, four hundred fifty-nine billion, five hundred sixty-six million, two hundred ninety-five thousand, nine hundred eighty-five".