80715 has 8 divisors (see below), whose sum is σ = 129168. Its totient is φ = 43040.

The previous prime is 80713. The next prime is 80737. The reversal of 80715 is 51708.

It is a happy number.

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

It is not a de Polignac number, because 80715 - 2¹ = 80713 is a prime.

It is a super-2 number, since 2×80715² = 13029822450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80691 and 80700.

It is not an unprimeable number, because it can be changed into a prime (80713) 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, 2676 + ... + 2705.

It is an arithmetic number, because the mean of its divisors is an integer number (16146).

2⁸⁰⁷¹⁵ is an apocalyptic number.

80715 is a deficient number, since it is larger than the sum of its proper divisors (48453).

80715 is a wasteful number, since it uses less digits than its factorization.

80715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 80715 is about 284.1038542505. The cubic root of 80715 is about 43.2166816577.

The spelling of 80715 in words is "eighty thousand, seven hundred fifteen".