80587799 has 8 divisors (see below), whose sum is σ = 82157328. Its totient is φ = 79033600.

The previous prime is 80587777. The next prime is 80587811. The reversal of 80587799 is 99778508.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80587799 - 2⁸ = 80587543 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80587799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80587499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7079 + ... + 14535.

It is an arithmetic number, because the mean of its divisors is an integer number (10269666).

Almost surely, 2^80587799 is an apocalyptic number.

80587799 is a deficient number, since it is larger than the sum of its proper divisors (1569529).

80587799 is a wasteful number, since it uses less digits than its factorization.

80587799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7665.

The product of its (nonzero) digits is 1270080, while the sum is 53.

The square root of 80587799 is about 8977.0707360475. The cubic root of 80587799 is about 431.9396760047.

The spelling of 80587799 in words is "eighty million, five hundred eighty-seven thousand, seven hundred ninety-nine".