80810771790 has 64 divisors (see below), whose sum is σ = 228802498560. Its totient is φ = 17875192320.

The previous prime is 80810771761. The next prime is 80810771803. The reversal of 80810771790 is 9717701808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6200155 + ... + 6213174.

It is an arithmetic number, because the mean of its divisors is an integer number (3575039040).

Almost surely, 2^80810771790 is an apocalyptic number.

80810771790 is an abundant number, since it is smaller than the sum of its proper divisors (147991726770).

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

80810771790 is a wasteful number, since it uses less digits than its factorization.

80810771790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12413377.

The product of its (nonzero) digits is 197568, while the sum is 48.

The spelling of 80810771790 in words is "eighty billion, eight hundred ten million, seven hundred seventy-one thousand, seven hundred ninety".