325780777828 has 24 divisors (see below), whose sum is σ = 623932192800. Its totient is φ = 147609059520.

The previous prime is 325780777801. The next prime is 325780777843. The reversal of 325780777828 is 828777087523.

It is a super-2 number, since 2×325780777828² (a number of 24 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 325780777828.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11813878 + ... + 11841421.

It is an arithmetic number, because the mean of its divisors is an integer number (25997174700).

Almost surely, 2^325780777828 is an apocalyptic number.

It is an amenable number.

325780777828 is a deficient number, since it is larger than the sum of its proper divisors (298151414972).

325780777828 is a wasteful number, since it uses less digits than its factorization.

325780777828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23655627 (or 23655625 counting only the distinct ones).

The product of its (nonzero) digits is 73758720, while the sum is 64.

The spelling of 325780777828 in words is "three hundred twenty-five billion, seven hundred eighty million, seven hundred seventy-seven thousand, eight hundred twenty-eight".