77328781833712 has 20 divisors (see below), whose sum is σ = 152651392442280. Its totient is φ = 37934874106688.

The previous prime is 77328781833593. The next prime is 77328781833713. The reversal of 77328781833712 is 21733818782377.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77328781833713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45594799762 + ... + 45594801457.

It is an arithmetic number, because the mean of its divisors is an integer number (7632569622114).

Almost surely, 2^{77328781833712} is an apocalyptic number.

It is an amenable number.

77328781833712 is a deficient number, since it is larger than the sum of its proper divisors (75322610608568).

77328781833712 is a wasteful number, since it uses less digits than its factorization.

77328781833712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91189601280 (or 91189601274 counting only the distinct ones).

The product of its digits is 132765696, while the sum is 67.

The spelling of 77328781833712 in words is "seventy-seven trillion, three hundred twenty-eight billion, seven hundred eighty-one million, eight hundred thirty-three thousand, seven hundred twelve".