6313777771464 has 96 divisors (see below), whose sum is σ = 17564497067520. Its totient is φ = 2047417285248.

The previous prime is 6313777771459. The next prime is 6313777771489. The reversal of 6313777771464 is 4641777773136.

6313777771464 is a `hidden beast` number, since 6 + 3 + 1 + 37 + 7 + 77 + 71 + 464 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18755559 + ... + 19089225.

It is an arithmetic number, because the mean of its divisors is an integer number (182963511120).

Almost surely, 2^{6313777771464} 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 6313777771464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8782248533760).

6313777771464 is an abundant number, since it is smaller than the sum of its proper divisors (11250719296056).

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

6313777771464 is a wasteful number, since it uses less digits than its factorization.

6313777771464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340819 (or 340812 counting only the distinct ones).

The product of its digits is 87127488, while the sum is 63.

It can be divided in two parts, 6313 and 777771464, that added together give a palindrome (777777777).

The spelling of 6313777771464 in words is "six trillion, three hundred thirteen billion, seven hundred seventy-seven million, seven hundred seventy-one thousand, four hundred sixty-four".