80896787 has 4 divisors (see below), whose sum is σ = 80928696. Its totient is φ = 80864880.

The previous prime is 80896771. The next prime is 80896793. The reversal of 80896787 is 78769808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80896787 - 2⁴ = 80896771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80890787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11789 + ... + 17342.

It is an arithmetic number, because the mean of its divisors is an integer number (20232174).

Almost surely, 2^80896787 is an apocalyptic number.

80896787 is a deficient number, since it is larger than the sum of its proper divisors (31909).

80896787 is a wasteful number, since it uses less digits than its factorization.

80896787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31908.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The square root of 80896787 is about 8994.2641166468. The cubic root of 80896787 is about 432.4910165530.

The spelling of 80896787 in words is "eighty million, eight hundred ninety-six thousand, seven hundred eighty-seven".