77317060380 has 96 divisors (see below), whose sum is σ = 252082865664. Its totient is φ = 17339023104.

The previous prime is 77317060367. The next prime is 77317060427. The reversal of 77317060380 is 8306071377.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1714422 + ... + 1758941.

It is an arithmetic number, because the mean of its divisors is an integer number (2625863184).

Almost surely, 2^77317060380 is an apocalyptic number.

77317060380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

77317060380 is an abundant number, since it is smaller than the sum of its proper divisors (174765805284).

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

77317060380 is a wasteful number, since it uses less digits than its factorization.

77317060380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3473435 (or 3473433 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 77317060380 in words is "seventy-seven billion, three hundred seventeen million, sixty thousand, three hundred eighty".