764840050205 has 16 divisors (see below), whose sum is σ = 1144280179584. Its totient is φ = 476783407680.

The previous prime is 764840050109. The next prime is 764840050237. The reversal of 764840050205 is 502050048467.

It is not a de Polignac number, because 764840050205 - 2²⁴ = 764823272989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993298382 + ... + 993299151.

It is an arithmetic number, because the mean of its divisors is an integer number (71517511224).

Almost surely, 2^764840050205 is an apocalyptic number.

It is an amenable number.

764840050205 is a deficient number, since it is larger than the sum of its proper divisors (379440129379).

764840050205 is a wasteful number, since it uses less digits than its factorization.

764840050205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1986597556.

The product of its (nonzero) digits is 268800, while the sum is 41.

The spelling of 764840050205 in words is "seven hundred sixty-four billion, eight hundred forty million, fifty thousand, two hundred five".