80887776 has 24 divisors (see below), whose sum is σ = 212330664. Its totient is φ = 26962560.

The previous prime is 80887759. The next prime is 80887783. The reversal of 80887776 is 67778808.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421195 + ... + 421386.

It is an arithmetic number, because the mean of its divisors is an integer number (8847111).

Almost surely, 2^80887776 is an apocalyptic number.

It is an amenable number.

80887776 is an abundant number, since it is smaller than the sum of its proper divisors (131442888).

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

80887776 is a wasteful number, since it uses less digits than its factorization.

80887776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842594 (or 842586 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 51.

The square root of 80887776 is about 8993.7631723323. The cubic root of 80887776 is about 432.4749577312.

The spelling of 80887776 in words is "eighty million, eight hundred eighty-seven thousand, seven hundred seventy-six".