80864715 has 16 divisors (see below), whose sum is σ = 130595328. Its totient is φ = 42723936.

The previous prime is 80864713. The next prime is 80864717. The reversal of 80864715 is 51746808.

It is an interprime number because it is at equal distance from previous prime (80864713) and next prime (80864717).

It is not a de Polignac number, because 80864715 - 2¹ = 80864713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80864713) 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, 23587 + ... + 26796.

It is an arithmetic number, because the mean of its divisors is an integer number (8162208).

Almost surely, 2^80864715 is an apocalyptic number.

80864715 is a deficient number, since it is larger than the sum of its proper divisors (49730613).

80864715 is a wasteful number, since it uses less digits than its factorization.

80864715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50498.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 80864715 is about 8992.4810258349. The cubic root of 80864715 is about 432.4338544750.

The spelling of 80864715 in words is "eighty million, eight hundred sixty-four thousand, seven hundred fifteen".