80887713 has 4 divisors (see below), whose sum is σ = 107850288. Its totient is φ = 53925140.

The previous prime is 80887663. The next prime is 80887727. The reversal of 80887713 is 31778808.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80887713 is a prime.

It is a super-2 number, since 2×80887713² = 13085644228740738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80887783) 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, 13481283 + ... + 13481288.

It is an arithmetic number, because the mean of its divisors is an integer number (26962572).

Almost surely, 2^80887713 is an apocalyptic number.

It is an amenable number.

80887713 is a deficient number, since it is larger than the sum of its proper divisors (26962575).

80887713 is a wasteful number, since it uses less digits than its factorization.

80887713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26962574.

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 80887713 is about 8993.7596699045. The cubic root of 80887713 is about 432.4748454525.

The spelling of 80887713 in words is "eighty million, eight hundred eighty-seven thousand, seven hundred thirteen".