80049766 has 4 divisors (see below), whose sum is σ = 120074652. Its totient is φ = 40024882.

The previous prime is 80049743. The next prime is 80049811. The reversal of 80049766 is 66794008.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20012440 + ... + 20012443.

It is an arithmetic number, because the mean of its divisors is an integer number (30018663).

Almost surely, 2^80049766 is an apocalyptic number.

80049766 is a deficient number, since it is larger than the sum of its proper divisors (40024886).

80049766 is a wasteful number, since it uses less digits than its factorization.

80049766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40024885.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 80049766 is about 8947.0534814541. The cubic root of 80049766 is about 430.9762674830.

The spelling of 80049766 in words is "eighty million, forty-nine thousand, seven hundred sixty-six".