80205866370764 has 24 divisors (see below), whose sum is σ = 140382768960000. Its totient is φ = 40096504285200.

The previous prime is 80205866370757. The next prime is 80205866370821. The reversal of 80205866370764 is 46707366850208.

It is a junction number, because it is equal to n+sod(n) for n = 80205866370697 and 80205866370706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 970374839 + ... + 970457489.

It is an arithmetic number, because the mean of its divisors is an integer number (5849282040000).

Almost surely, 2^{80205866370764} is an apocalyptic number.

It is an amenable number.

80205866370764 is a deficient number, since it is larger than the sum of its proper divisors (60176902589236).

80205866370764 is a wasteful number, since it uses less digits than its factorization.

80205866370764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118613 (or 118611 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 62.

The spelling of 80205866370764 in words is "eighty trillion, two hundred five billion, eight hundred sixty-six million, three hundred seventy thousand, seven hundred sixty-four".