77734636462252 has 96 divisors (see below), whose sum is σ = 178552334016000. Its totient is φ = 28688509808640.

The previous prime is 77734636462187. The next prime is 77734636462253. The reversal of 77734636462252 is 25226463643777.

It is not an unprimeable number, because it can be changed into a prime (77734636462253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44728524 + ... + 46433932.

It is an arithmetic number, because the mean of its divisors is an integer number (1859920146000).

Almost surely, 2^{77734636462252} 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 77734636462252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89276167008000).

77734636462252 is an abundant number, since it is smaller than the sum of its proper divisors (100817697553748).

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

77734636462252 is a wasteful number, since it uses less digits than its factorization.

77734636462252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713239 (or 1713237 counting only the distinct ones).

The product of its digits is 426746880, while the sum is 64.

The spelling of 77734636462252 in words is "seventy-seven trillion, seven hundred thirty-four billion, six hundred thirty-six million, four hundred sixty-two thousand, two hundred fifty-two".