77071083080 has 16 divisors (see below), whose sum is σ = 173409937020. Its totient is φ = 30828433216.

The previous prime is 77071083071. The next prime is 77071083083. The reversal of 77071083080 is 8038017077.

It can be written as a sum of positive squares in 2 ways, for example, as 61671762244 + 15399320836 = 248338^2 + 124094^2 .

It is not an unprimeable number, because it can be changed into a prime (77071083083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 963388499 + ... + 963388578.

Almost surely, 2^77071083080 is an apocalyptic number.

It is an amenable number.

77071083080 is an abundant number, since it is smaller than the sum of its proper divisors (96338853940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

77071083080 is a wasteful number, since it uses less digits than its factorization.

77071083080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926777088 (or 1926777084 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 41.

The spelling of 77071083080 in words is "seventy-seven billion, seventy-one million, eighty-three thousand, eighty".