925878221652 has 24 divisors (see below), whose sum is σ = 2174689690432. Its totient is φ = 306582192000.

The previous prime is 925878221647. The next prime is 925878221693. The reversal of 925878221652 is 256122878529.

It is a junction number, because it is equal to n+sod(n) for n = 925878221592 and 925878221601.

It is a congruent number.

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, 255483349 + ... + 255486972.

Almost surely, 2^925878221652 is an apocalyptic number.

It is an amenable number.

925878221652 is an abundant number, since it is smaller than the sum of its proper divisors (1248811468780).

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

925878221652 is a wasteful number, since it uses less digits than its factorization.

925878221652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510970479 (or 510970477 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 57.

The spelling of 925878221652 in words is "nine hundred twenty-five billion, eight hundred seventy-eight million, two hundred twenty-one thousand, six hundred fifty-two".