80439496 has 8 divisors (see below), whose sum is σ = 150824070. Its totient is φ = 40219744.

The previous prime is 80439449. The next prime is 80439523. The reversal of 80439496 is 69493408.

It can be written as a sum of positive squares in only one way, i.e., 79459396 + 980100 = 8914^2 + 990^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5027461 + ... + 5027476.

Almost surely, 2^80439496 is an apocalyptic number.

It is an amenable number.

80439496 is a deficient number, since it is larger than the sum of its proper divisors (70384574).

80439496 is a wasteful number, since it uses less digits than its factorization.

80439496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10054943 (or 10054939 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 80439496 is about 8968.8068325725. The cubic root of 80439496 is about 431.6745519812.

The spelling of 80439496 in words is "eighty million, four hundred thirty-nine thousand, four hundred ninety-six".