77000776983 has 32 divisors (see below), whose sum is σ = 123174598400. Its totient is φ = 47259985248.

The previous prime is 77000776943. The next prime is 77000777011. The reversal of 77000776983 is 38967700077.

It is a happy number.

It is not a de Polignac number, because 77000776983 - 2¹² = 77000772887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77000776943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156385 + ... + 422442.

It is an arithmetic number, because the mean of its divisors is an integer number (3849206200).

Almost surely, 2^77000776983 is an apocalyptic number.

77000776983 is a deficient number, since it is larger than the sum of its proper divisors (46173821417).

77000776983 is a wasteful number, since it uses less digits than its factorization.

77000776983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579228 (or 579222 counting only the distinct ones).

The product of its (nonzero) digits is 3111696, while the sum is 54.

The spelling of 77000776983 in words is "seventy-seven billion, seven hundred seventy-six thousand, nine hundred eighty-three".