80460915 has 32 divisors (see below), whose sum is σ = 143493120. Its totient is φ = 38260224.

The previous prime is 80460911. The next prime is 80460917. The reversal of 80460915 is 51906408.

It is not a de Polignac number, because 80460915 - 2² = 80460911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80460911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3459 + ... + 13148.

It is an arithmetic number, because the mean of its divisors is an integer number (4484160).

Almost surely, 2^80460915 is an apocalyptic number.

80460915 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

80460915 is a deficient number, since it is larger than the sum of its proper divisors (63032205).

80460915 is a wasteful number, since it uses less digits than its factorization.

80460915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16651.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 80460915 is about 8970.0008361204. Note that the first 3 decimals coincide. The cubic root of 80460915 is about 431.7128632468.

The spelling of 80460915 in words is "eighty million, four hundred sixty thousand, nine hundred fifteen".