80135715 has 16 divisors (see below), whose sum is σ = 139873536. Its totient is φ = 38853600.

The previous prime is 80135701. The next prime is 80135717. The reversal of 80135715 is 51753108.

It is not a de Polignac number, because 80135715 - 2⁵ = 80135683 is a prime.

It is a super-2 number, since 2×80135715² = 12843465637122450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80135717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242671 + ... + 243000.

It is an arithmetic number, because the mean of its divisors is an integer number (8742096).

Almost surely, 2^80135715 is an apocalyptic number.

80135715 is a deficient number, since it is larger than the sum of its proper divisors (59737821).

80135715 is a wasteful number, since it uses less digits than its factorization.

80135715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485690.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 80135715 is about 8951.8553942744. The cubic root of 80135715 is about 431.1304579394.

The spelling of 80135715 in words is "eighty million, one hundred thirty-five thousand, seven hundred fifteen".