80715293 has 4 divisors (see below), whose sum is σ = 80735040. Its totient is φ = 80695548.

The previous prime is 80715281. The next prime is 80715301. The reversal of 80715293 is 39251708.

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 not a de Polignac number, because 80715293 - 2⁴ = 80715277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80715203) 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, 1205 + ... + 12762.

It is an arithmetic number, because the mean of its divisors is an integer number (20183760).

Almost surely, 2^80715293 is an apocalyptic number.

It is an amenable number.

80715293 is a deficient number, since it is larger than the sum of its proper divisors (19747).

80715293 is a wasteful number, since it uses less digits than its factorization.

80715293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19746.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 80715293 is about 8984.1690211171. The cubic root of 80715293 is about 432.1673395063.

The spelling of 80715293 in words is "eighty million, seven hundred fifteen thousand, two hundred ninety-three".