80870678016 has 40 divisors (see below), whose sum is σ = 215444544744. Its totient is φ = 26956892160.

The previous prime is 80870677991. The next prime is 80870678017. The reversal of 80870678016 is 61087607808.

It is a self number, because there is not a number n which added to its sum of digits gives 80870678016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80870678017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26323555 + ... + 26326626.

Almost surely, 2^80870678016 is an apocalyptic number.

It is an amenable number.

80870678016 is an abundant number, since it is smaller than the sum of its proper divisors (134573866728).

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

80870678016 is an equidigital number, since it uses as much as digits as its factorization.

80870678016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52650202 (or 52650186 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 80870678016 in words is "eighty billion, eight hundred seventy million, six hundred seventy-eight thousand, sixteen".