80788902616 has 8 divisors (see below), whose sum is σ = 151479192420. Its totient is φ = 40394451304.

The previous prime is 80788902577. The next prime is 80788902619. The reversal of 80788902616 is 61620988708.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80788902619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5049306406 + ... + 5049306421.

Almost surely, 2^80788902616 is an apocalyptic number.

It is an amenable number.

80788902616 is a deficient number, since it is larger than the sum of its proper divisors (70690289804).

80788902616 is a wasteful number, since it uses less digits than its factorization.

80788902616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10098612833 (or 10098612829 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 80788902616 in words is "eighty billion, seven hundred eighty-eight million, nine hundred two thousand, six hundred sixteen".