80249766 has 8 divisors (see below), whose sum is σ = 160499544. Its totient is φ = 26749920.

The previous prime is 80249753. The next prime is 80249773. The reversal of 80249766 is 66794208.

It is a sphenic number, since it is the product of 3 distinct primes.

80249766 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6687475 + ... + 6687486.

It is an arithmetic number, because the mean of its divisors is an integer number (20062443).

Almost surely, 2^80249766 is an apocalyptic number.

80249766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80249766 is a wasteful number, since it uses less digits than its factorization.

80249766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13374966.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 80249766 is about 8958.2233729685. The cubic root of 80249766 is about 431.3348925924.

The spelling of 80249766 in words is "eighty million, two hundred forty-nine thousand, seven hundred sixty-six".