80877940412 has 24 divisors (see below), whose sum is σ = 142073991360. Its totient is φ = 40285441280.

The previous prime is 80877940399. The next prime is 80877940427. The reversal of 80877940412 is 21404977808.

It is a congruent number.

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, 8140664 + ... + 8150592.

It is an arithmetic number, because the mean of its divisors is an integer number (5919749640).

Almost surely, 2^80877940412 is an apocalyptic number.

It is an amenable number.

80877940412 is a deficient number, since it is larger than the sum of its proper divisors (61196050948).

80877940412 is a wasteful number, since it uses less digits than its factorization.

80877940412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17461 (or 17459 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 80877940412 in words is "eighty billion, eight hundred seventy-seven million, nine hundred forty thousand, four hundred twelve".