80450915 has 8 divisors (see below), whose sum is σ = 97396128. Its totient is φ = 63790720.

The previous prime is 80450879. The next prime is 80450947. The reversal of 80450915 is 51905408.

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

It is not a de Polignac number, because 80450915 - 2¹² = 80446819 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70631 + ... + 71760.

It is an arithmetic number, because the mean of its divisors is an integer number (12174516).

Almost surely, 2^80450915 is an apocalyptic number.

80450915 is a deficient number, since it is larger than the sum of its proper divisors (16945213).

80450915 is a wasteful number, since it uses less digits than its factorization.

80450915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142509.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 80450915 is about 8969.4434052510. The cubic root of 80450915 is about 431.6949775131.

The spelling of 80450915 in words is "eighty million, four hundred fifty thousand, nine hundred fifteen".