80776674764 has 12 divisors (see below), whose sum is σ = 145179699504. Its totient is φ = 39296760624.

The previous prime is 80776674739. The next prime is 80776674773. The reversal of 80776674764 is 46747667708.

It is a junction number, because it is equal to n+sod(n) for n = 80776674697 and 80776674706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272894024 + ... + 272894319.

It is an arithmetic number, because the mean of its divisors is an integer number (12098308292).

Almost surely, 2^80776674764 is an apocalyptic number.

It is an amenable number.

80776674764 is a deficient number, since it is larger than the sum of its proper divisors (64403024740).

80776674764 is a wasteful number, since it uses less digits than its factorization.

80776674764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545788384 (or 545788382 counting only the distinct ones).

The product of its (nonzero) digits is 66382848, while the sum is 62.

The spelling of 80776674764 in words is "eighty billion, seven hundred seventy-six million, six hundred seventy-four thousand, seven hundred sixty-four".