88421708925 has 54 divisors (see below), whose sum is σ = 174079582586. Its totient is φ = 42871118400.

The previous prime is 88421708923. The next prime is 88421708939. The reversal of 88421708925 is 52980712488.

It can be written as a sum of positive squares in 3 ways, for example, as 12566634201 + 75855074724 = 112101^2 + 275418^2 .

It is not a de Polignac number, because 88421708925 - 2¹ = 88421708923 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88421708923) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1596682 + ... + 1651131.

Almost surely, 2^88421708925 is an apocalyptic number.

It is an amenable number.

88421708925 is a deficient number, since it is larger than the sum of its proper divisors (85657873661).

88421708925 is a wasteful number, since it uses less digits than its factorization.

88421708925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247851 (or 3247832 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 88421708925 in words is "eighty-eight billion, four hundred twenty-one million, seven hundred eight thousand, nine hundred twenty-five".