764863800005 has 8 divisors (see below), whose sum is σ = 917854190232. Its totient is φ = 611879286528.

The previous prime is 764863799981. The next prime is 764863800007. The reversal of 764863800005 is 500008368467.

764863800005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 272652109921 + 492211690084 = 522161^2 + 701578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 764863800005 - 2²⁴ = 764847022789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764863800007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177592 + ... + 1707761.

It is an arithmetic number, because the mean of its divisors is an integer number (114731773779).

Almost surely, 2^764863800005 is an apocalyptic number.

It is an amenable number.

764863800005 is a deficient number, since it is larger than the sum of its proper divisors (152990390227).

764863800005 is a wasteful number, since it uses less digits than its factorization.

764863800005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938375.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 764863800005 in words is "seven hundred sixty-four billion, eight hundred sixty-three million, eight hundred thousand, five".