80085477810 has 128 divisors (see below), whose sum is σ = 214145648640. Its totient is φ = 19034726400.

The previous prime is 80085477809. The next prime is 80085477811. The reversal of 80085477810 is 1877458008.

It is an interprime number because it is at equal distance from previous prime (80085477809) and next prime (80085477811).

It is a super-2 number, since 2×80085477810² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80085477810.

It is not an unprimeable number, because it can be changed into a prime (80085477811) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5566306 + ... + 5580674.

It is an arithmetic number, because the mean of its divisors is an integer number (1673012880).

Almost surely, 2^80085477810 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80085477810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107072824320).

80085477810 is an abundant number, since it is smaller than the sum of its proper divisors (134060170830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80085477810 is a wasteful number, since it uses less digits than its factorization.

80085477810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14884.

The product of its (nonzero) digits is 501760, while the sum is 48.

The spelling of 80085477810 in words is "eighty billion, eighty-five million, four hundred seventy-seven thousand, eight hundred ten".