80772718 has 8 divisors (see below), whose sum is σ = 130479048. Its totient is φ = 37279704.

The previous prime is 80772709. The next prime is 80772719. The reversal of 80772718 is 81727708.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80772719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1553296 + ... + 1553347.

It is an arithmetic number, because the mean of its divisors is an integer number (16309881).

Almost surely, 2^80772718 is an apocalyptic number.

80772718 is a deficient number, since it is larger than the sum of its proper divisors (49706330).

80772718 is a wasteful number, since it uses less digits than its factorization.

80772718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106658.

The product of its (nonzero) digits is 43904, while the sum is 40.

The square root of 80772718 is about 8987.3643522448. The cubic root of 80772718 is about 432.2698038822.

The spelling of 80772718 in words is "eighty million, seven hundred seventy-two thousand, seven hundred eighteen".