80451682 has 4 divisors (see below), whose sum is σ = 120677526. Its totient is φ = 40225840.

The previous prime is 80451661. The next prime is 80451691. The reversal of 80451682 is 28615408.

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., 72437121 + 8014561 = 8511^2 + 2831^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20112919 + ... + 20112922.

Almost surely, 2^80451682 is an apocalyptic number.

80451682 is a deficient number, since it is larger than the sum of its proper divisors (40225844).

80451682 is a wasteful number, since it uses less digits than its factorization.

80451682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40225843.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 80451682 is about 8969.4861614253. The cubic root of 80451682 is about 431.6963494013.

The spelling of 80451682 in words is "eighty million, four hundred fifty-one thousand, six hundred eighty-two".