764004991132320 has 768 divisors, whose sum is σ = 2801974378291200. Its totient is φ = 171380045168640.

The previous prime is 764004991132301. The next prime is 764004991132333. The reversal of 764004991132320 is 23231199400467.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 83873635926 + ... + 83873645034.

It is an arithmetic number, because the mean of its divisors is an integer number (3648404138400).

Almost surely, 2^{764004991132320} is an apocalyptic number.

764004991132320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 764004991132320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1400987189145600).

764004991132320 is an abundant number, since it is smaller than the sum of its proper divisors (2037969387158880).

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

764004991132320 is a wasteful number, since it uses less digits than its factorization.

764004991132320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10781 (or 10773 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 764004991132320 in words is "seven hundred sixty-four trillion, four billion, nine hundred ninety-one million, one hundred thirty-two thousand, three hundred twenty".