80249656 has 16 divisors (see below), whose sum is σ = 159319440. Its totient is φ = 37764480.

The previous prime is 80249621. The next prime is 80249671. The reversal of 80249656 is 65694208.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294900 + ... + 295171.

It is an arithmetic number, because the mean of its divisors is an integer number (9957465).

Almost surely, 2^80249656 is an apocalyptic number.

It is an amenable number.

80249656 is a deficient number, since it is larger than the sum of its proper divisors (79069784).

80249656 is a wasteful number, since it uses less digits than its factorization.

80249656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590094 (or 590090 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 80249656 is about 8958.2172333562. The cubic root of 80249656 is about 431.3346955124.

The spelling of 80249656 in words is "eighty million, two hundred forty-nine thousand, six hundred fifty-six".