80860281790 has 32 divisors (see below), whose sum is σ = 148115653920. Its totient is φ = 31774934400.

The previous prime is 80860281787. The next prime is 80860281881. The reversal of 80860281790 is 9718206808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420081 + ... + 581539.

It is an arithmetic number, because the mean of its divisors is an integer number (4628614185).

Almost surely, 2^80860281790 is an apocalyptic number.

80860281790 is a deficient number, since it is larger than the sum of its proper divisors (67255372130).

80860281790 is a wasteful number, since it uses less digits than its factorization.

80860281790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162348.

The product of its (nonzero) digits is 387072, while the sum is 49.

The spelling of 80860281790 in words is "eighty billion, eight hundred sixty million, two hundred eighty-one thousand, seven hundred ninety".