80878846412 has 24 divisors (see below), whose sum is σ = 174200593056. Its totient is φ = 31996027008.

The previous prime is 80878846381. The next prime is 80878846421. The reversal of 80878846412 is 21464887808.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111096953 + ... + 111097680.

It is an arithmetic number, because the mean of its divisors is an integer number (7258358044).

Almost surely, 2^80878846412 is an apocalyptic number.

It is an amenable number.

80878846412 is an abundant number, since it is smaller than the sum of its proper divisors (93321746644).

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

80878846412 is a wasteful number, since it uses less digits than its factorization.

80878846412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222194657 (or 222194655 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 56.

The spelling of 80878846412 in words is "eighty billion, eight hundred seventy-eight million, eight hundred forty-six thousand, four hundred twelve".