925661880 has 192 divisors, whose sum is σ = 3534541920. Its totient is φ = 207129600.

The previous prime is 925661857. The next prime is 925661909. The reversal of 925661880 is 88166529.

925661880 is a `hidden beast` number, since 9 + 2 + 566 + 1 + 8 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42490 + ... + 60470.

Almost surely, 2^925661880 is an apocalyptic number.

925661880 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 925661880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1767270960).

925661880 is an abundant number, since it is smaller than the sum of its proper divisors (2608880040).

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

925661880 is a wasteful number, since it uses less digits than its factorization.

925661880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18022 (or 18015 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 925661880 is about 30424.6919458521. The cubic root of 925661880 is about 974.5799215995.

The spelling of 925661880 in words is "nine hundred twenty-five million, six hundred sixty-one thousand, eight hundred eighty".