80315194 has 4 divisors (see below), whose sum is σ = 120472794. Its totient is φ = 40157596.

The previous prime is 80315167. The next prime is 80315219. The reversal of 80315194 is 49151308.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 76335169 + 3980025 = 8737^2 + 1995^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20078797 + ... + 20078800.

Almost surely, 2^80315194 is an apocalyptic number.

80315194 is a deficient number, since it is larger than the sum of its proper divisors (40157600).

80315194 is a wasteful number, since it uses less digits than its factorization.

80315194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40157599.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 80315194 is about 8961.8744691052. The cubic root of 80315194 is about 431.4520838506.

It can be divided in two parts, 8031 and 5194, that added together give a square (13225 = 115²).

The spelling of 80315194 in words is "eighty million, three hundred fifteen thousand, one hundred ninety-four".