80716215 has 8 divisors (see below), whose sum is σ = 129145968. Its totient is φ = 43048640.

The previous prime is 80716211. The next prime is 80716217. The reversal of 80716215 is 51261708.

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

It is not a de Polignac number, because 80716215 - 2² = 80716211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80716211) 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, 2690526 + ... + 2690555.

It is an arithmetic number, because the mean of its divisors is an integer number (16143246).

Almost surely, 2^80716215 is an apocalyptic number.

80716215 is a deficient number, since it is larger than the sum of its proper divisors (48429753).

80716215 is a wasteful number, since it uses less digits than its factorization.

80716215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381089.

The product of its (nonzero) digits is 3360, while the sum is 30.

The square root of 80716215 is about 8984.2203334513. The cubic root of 80716215 is about 432.1689850299.

The spelling of 80716215 in words is "eighty million, seven hundred sixteen thousand, two hundred fifteen".