80870584873 has 16 divisors (see below), whose sum is σ = 89513802000. Its totient is φ = 72600929280.

The previous prime is 80870584843. The next prime is 80870584889. The reversal of 80870584873 is 37848507808.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 17845486569 + 63025098304 = 133587^2 + 251048^2 .

It is a cyclic number.

It is not a de Polignac number, because 80870584873 - 2²⁹ = 80333713961 is a prime.

It is a super-2 number, since 2×80870584873² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80870584813) 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, 502348 + ... + 643501.

It is an arithmetic number, because the mean of its divisors is an integer number (5594612625).

Almost surely, 2^80870584873 is an apocalyptic number.

It is an amenable number.

80870584873 is a deficient number, since it is larger than the sum of its proper divisors (8643217127).

80870584873 is a wasteful number, since it uses less digits than its factorization.

80870584873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146012.

The product of its (nonzero) digits is 12042240, while the sum is 58.

The spelling of 80870584873 in words is "eighty billion, eight hundred seventy million, five hundred eighty-four thousand, eight hundred seventy-three".