7768730322464 has 24 divisors (see below), whose sum is σ = 15553919823120. Its totient is φ = 3818528462656.

The previous prime is 7768730322443. The next prime is 7768730322473. The reversal of 7768730322464 is 4642230378677.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057394914 + ... + 2057398689.

It is an arithmetic number, because the mean of its divisors is an integer number (648079992630).

Almost surely, 2^{7768730322464} is an apocalyptic number.

It is an amenable number.

7768730322464 is an abundant number, since it is smaller than the sum of its proper divisors (7785189500656).

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

7768730322464 is a wasteful number, since it uses less digits than its factorization.

7768730322464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114793672 (or 4114793664 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 59.

The spelling of 7768730322464 in words is "seven trillion, seven hundred sixty-eight billion, seven hundred thirty million, three hundred twenty-two thousand, four hundred sixty-four".