80561294 has 16 divisors (see below), whose sum is σ = 133418880. Its totient is φ = 36176760.

The previous prime is 80561279. The next prime is 80561303. The reversal of 80561294 is 49216508.

It is a congruent 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, 20234 + ... + 23885.

It is an arithmetic number, because the mean of its divisors is an integer number (8338680).

Almost surely, 2^80561294 is an apocalyptic number.

80561294 is a deficient number, since it is larger than the sum of its proper divisors (52857586).

80561294 is a wasteful number, since it uses less digits than its factorization.

80561294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44215.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 80561294 is about 8975.5943535790. The cubic root of 80561294 is about 431.8923164101.

The spelling of 80561294 in words is "eighty million, five hundred sixty-one thousand, two hundred ninety-four".