80046639870 has 64 divisors (see below), whose sum is σ = 205354082304. Its totient is φ = 19919694080.

The previous prime is 80046639823. The next prime is 80046639877. The reversal of 80046639870 is 7893664008.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80046639877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1386462 + ... + 1443041.

It is an arithmetic number, because the mean of its divisors is an integer number (3208657536).

Almost surely, 2^80046639870 is an apocalyptic number.

80046639870 is an abundant number, since it is smaller than the sum of its proper divisors (125307442434).

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

80046639870 is a wasteful number, since it uses less digits than its factorization.

80046639870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829577.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 80046639870 in words is "eighty billion, forty-six million, six hundred thirty-nine thousand, eight hundred seventy".