764395045860 has 48 divisors (see below), whose sum is σ = 2185844564736. Its totient is φ = 199501684992.

The previous prime is 764395045847. The next prime is 764395045861. The reversal of 764395045860 is 68540593467.

It is a super-2 number, since 2×764395045860² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 764395045860.

It is not an unprimeable number, because it can be changed into a prime (764395045861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135528217 + ... + 135533856.

It is an arithmetic number, because the mean of its divisors is an integer number (45538428432).

Almost surely, 2^764395045860 is an apocalyptic number.

It is an amenable number.

764395045860 is an abundant number, since it is smaller than the sum of its proper divisors (1421449518876).

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

764395045860 is a wasteful number, since it uses less digits than its factorization.

764395045860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271062132 (or 271062130 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 57.

The spelling of 764395045860 in words is "seven hundred sixty-four billion, three hundred ninety-five million, forty-five thousand, eight hundred sixty".