77487383660708 has 192 divisors, whose sum is σ = 160248431777280. Its totient is φ = 32097273643008.

The previous prime is 77487383660647. The next prime is 77487383660759. The reversal of 77487383660708 is 80706638378477.

It is a super-2 number, since 2×77487383660708² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52039880828 + ... + 52039882316.

It is an arithmetic number, because the mean of its divisors is an integer number (834627248840).

Almost surely, 2^{77487383660708} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77487383660708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80124215888640).

77487383660708 is an abundant number, since it is smaller than the sum of its proper divisors (82761048116572).

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

77487383660708 is a wasteful number, since it uses less digits than its factorization.

77487383660708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726 (or 2724 counting only the distinct ones).

The product of its (nonzero) digits is 1593188352, while the sum is 74.

The spelling of 77487383660708 in words is "seventy-seven trillion, four hundred eighty-seven billion, three hundred eighty-three million, six hundred sixty thousand, seven hundred eight".