80877185061 has 16 divisors (see below), whose sum is σ = 109149555648. Its totient is φ = 53263526400.

The previous prime is 80877185033. The next prime is 80877185071. The reversal of 80877185061 is 16058177808.

It is not a de Polignac number, because 80877185061 - 2²⁶ = 80810076197 is a prime.

It is a super-2 number, since 2×80877185061² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80877184995 and 80877185013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80877185071) 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, 99435 + ... + 414296.

It is an arithmetic number, because the mean of its divisors is an integer number (6821847228).

Almost surely, 2^80877185061 is an apocalyptic number.

It is an amenable number.

80877185061 is a deficient number, since it is larger than the sum of its proper divisors (28272370587).

80877185061 is a wasteful number, since it uses less digits than its factorization.

80877185061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514372.

The product of its (nonzero) digits is 752640, while the sum is 51.

The spelling of 80877185061 in words is "eighty billion, eight hundred seventy-seven million, one hundred eighty-five thousand, sixty-one".