989077925 has 48 divisors (see below), whose sum is σ = 1369198080. Its totient is φ = 702744000.

The previous prime is 989077913. The next prime is 989077931. The reversal of 989077925 is 529770989.

989077925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 989077925 - 2¹⁶ = 989012389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3494834 + ... + 3495116.

It is an arithmetic number, because the mean of its divisors is an integer number (28524960).

Almost surely, 2^989077925 is an apocalyptic number.

It is an amenable number.

989077925 is a deficient number, since it is larger than the sum of its proper divisors (380120155).

989077925 is a wasteful number, since it uses less digits than its factorization.

989077925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 56.

The square root of 989077925 is about 31449.6092980501. The cubic root of 989077925 is about 996.3459726804.

The spelling of 989077925 in words is "nine hundred eighty-nine million, seventy-seven thousand, nine hundred twenty-five".