77713260140 has 48 divisors (see below), whose sum is σ = 166941516672. Its totient is φ = 30374378496.

The previous prime is 77713260073. The next prime is 77713260169. The reversal of 77713260140 is 4106231777.

It is a junction number, because it is equal to n+sod(n) for n = 77713260094 and 77713260103.

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, 512984 + ... + 646976.

It is an arithmetic number, because the mean of its divisors is an integer number (3477948264).

Almost surely, 2^77713260140 is an apocalyptic number.

It is an amenable number.

77713260140 is an abundant number, since it is smaller than the sum of its proper divisors (89228256532).

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

77713260140 is a wasteful number, since it uses less digits than its factorization.

77713260140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134666 (or 134664 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The spelling of 77713260140 in words is "seventy-seven billion, seven hundred thirteen million, two hundred sixty thousand, one hundred forty".