77383684 has 48 divisors (see below), whose sum is σ = 163150848. Its totient is φ = 31398048.

The previous prime is 77383679. The next prime is 77383693. The reversal of 77383684 is 48638377.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 68347 + ... + 69469.

It is an arithmetic number, because the mean of its divisors is an integer number (3398976).

Almost surely, 2^77383684 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 77383684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81575424).

77383684 is an abundant number, since it is smaller than the sum of its proper divisors (85767164).

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

77383684 is a wasteful number, since it uses less digits than its factorization.

77383684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264 (or 1262 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 77383684 is about 8796.7996453256. The cubic root of 77383684 is about 426.1375458630.

The spelling of 77383684 in words is "seventy-seven million, three hundred eighty-three thousand, six hundred eighty-four".