80581076613 has 16 divisors (see below), whose sum is σ = 119721448000. Its totient is φ = 53566783920.

The previous prime is 80581076591. The next prime is 80581076623. The reversal of 80581076613 is 31667018508.

80581076613 is a `hidden beast` number, since 8 + 0 + 581 + 0 + 7 + 6 + 61 + 3 = 666.

It is not a de Polignac number, because 80581076613 - 2⁶ = 80581076549 is a prime.

It is a super-2 number, since 2×80581076613² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80581076623) 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, 4266343 + ... + 4285188.

It is an arithmetic number, because the mean of its divisors is an integer number (7482590500).

Almost surely, 2^80581076613 is an apocalyptic number.

It is an amenable number.

80581076613 is a deficient number, since it is larger than the sum of its proper divisors (39140371387).

80581076613 is a wasteful number, since it uses less digits than its factorization.

80581076613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8551889 (or 8551883 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 80581076613 in words is "eighty billion, five hundred eighty-one million, seventy-six thousand, six hundred thirteen".