80773618 has 8 divisors (see below), whose sum is σ = 121199148. Its totient is φ = 40373904.

The previous prime is 80773601. The next prime is 80773633. The reversal of 80773618 is 81637708.

It can be written as a sum of positive squares in 2 ways, for example, as 44448889 + 36324729 = 6667^2 + 6027^2 .

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

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, 6880 + ... + 14452.

Almost surely, 2^80773618 is an apocalyptic number.

80773618 is a deficient number, since it is larger than the sum of its proper divisors (40425530).

80773618 is a wasteful number, since it uses less digits than its factorization.

80773618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12908.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 80773618 is about 8987.4144224020. The cubic root of 80773618 is about 432.2714093805.

The spelling of 80773618 in words is "eighty million, seven hundred seventy-three thousand, six hundred eighteen".