77684327364 has 288 divisors, whose sum is σ = 223736217600. Its totient is φ = 20888824320.

The previous prime is 77684327353. The next prime is 77684327393. The reversal of 77684327364 is 46372348677.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 105120507 + ... + 105121245.

Almost surely, 2^77684327364 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 77684327364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111868108800).

77684327364 is an abundant number, since it is smaller than the sum of its proper divisors (146051890236).

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

77684327364 is a wasteful number, since it uses less digits than its factorization.

77684327364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 934 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 57.

The spelling of 77684327364 in words is "seventy-seven billion, six hundred eighty-four million, three hundred twenty-seven thousand, three hundred sixty-four".