764618712352 has 72 divisors (see below), whose sum is σ = 1655682791868. Its totient is φ = 347333521920.

The previous prime is 764618712349. The next prime is 764618712353. The reversal of 764618712352 is 253217816467.

It can be written as a sum of positive squares in 2 ways, for example, as 762904421136 + 1714291216 = 873444^2 + 41404^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 764618712352.

It is not an unprimeable number, because it can be changed into a prime (764618712353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6121758 + ... + 6245410.

Almost surely, 2^764618712352 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 764618712352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827841395934).

764618712352 is an abundant number, since it is smaller than the sum of its proper divisors (891064079516).

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

764618712352 is a wasteful number, since it uses less digits than its factorization.

764618712352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125282 (or 125263 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The spelling of 764618712352 in words is "seven hundred sixty-four billion, six hundred eighteen million, seven hundred twelve thousand, three hundred fifty-two".