80776674758 has 32 divisors (see below), whose sum is σ = 131792772384. Its totient is φ = 36908474112.

The previous prime is 80776674739. The next prime is 80776674773. The reversal of 80776674758 is 85747667708.

It is a junction number, because it is equal to n+sod(n) for n = 80776674694 and 80776674703.

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, 4545266 + ... + 4563002.

It is an arithmetic number, because the mean of its divisors is an integer number (4118524137).

Almost surely, 2^80776674758 is an apocalyptic number.

80776674758 is a deficient number, since it is larger than the sum of its proper divisors (51016097626).

80776674758 is a wasteful number, since it uses less digits than its factorization.

80776674758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19496.

The product of its (nonzero) digits is 110638080, while the sum is 65.

The spelling of 80776674758 in words is "eighty billion, seven hundred seventy-six million, six hundred seventy-four thousand, seven hundred fifty-eight".