77793387714 has 128 divisors (see below), whose sum is σ = 204268953600. Its totient is φ = 21753371664.

The previous prime is 77793387703. The next prime is 77793387743. The reversal of 77793387714 is 41778339777.

It is a super-2 number, since 2×77793387714² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 1412017 + ... + 1466075.

It is an arithmetic number, because the mean of its divisors is an integer number (1595851200).

Almost surely, 2^77793387714 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77793387714, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102134476800).

77793387714 is an abundant number, since it is smaller than the sum of its proper divisors (126475565886).

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

77793387714 is an equidigital number, since it uses as much as digits as its factorization.

77793387714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54136 (or 54118 counting only the distinct ones).

The product of its digits is 43563744, while the sum is 63.

It can be divided in two parts, 77793387 and 714, that added together give a triangular number (77794101 = T₁₂₄₇₃).

The spelling of 77793387714 in words is "seventy-seven billion, seven hundred ninety-three million, three hundred eighty-seven thousand, seven hundred fourteen".