325620704655 has 24 divisors (see below), whose sum is σ = 564560465040. Its totient is φ = 173617839360.

The previous prime is 325620704623. The next prime is 325620704663. The reversal of 325620704655 is 556407026523.

325620704655 is a `hidden beast` number, since 32 + 562 + 0 + 7 + 0 + 4 + 6 + 55 = 666.

It is not a de Polignac number, because 325620704655 - 2⁵ = 325620704623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 325620704655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 799386 + ... + 1135895.

It is an arithmetic number, because the mean of its divisors is an integer number (23523352710).

Almost surely, 2^325620704655 is an apocalyptic number.

325620704655 is a deficient number, since it is larger than the sum of its proper divisors (238939760385).

325620704655 is a wasteful number, since it uses less digits than its factorization.

325620704655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939031 (or 1939028 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The spelling of 325620704655 in words is "three hundred twenty-five billion, six hundred twenty million, seven hundred four thousand, six hundred fifty-five".