80477404989 has 16 divisors (see below), whose sum is σ = 107986291392. Its totient is φ = 53310716928.

The previous prime is 80477404957. The next prime is 80477405027. The reversal of 80477404989 is 98940477408.

It is not a de Polignac number, because 80477404989 - 2⁵ = 80477404957 is a prime.

It is a super-2 number, since 2×80477404989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80477404919) 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, 412414 + ... + 575360.

It is an arithmetic number, because the mean of its divisors is an integer number (6749143212).

Almost surely, 2^80477404989 is an apocalyptic number.

It is an amenable number.

80477404989 is a deficient number, since it is larger than the sum of its proper divisors (27508886403).

80477404989 is a wasteful number, since it uses less digits than its factorization.

80477404989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163996.

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 80477404989 in words is "eighty billion, four hundred seventy-seven million, four hundred four thousand, nine hundred eighty-nine".