88661086725 has 24 divisors (see below), whose sum is σ = 146602179360. Its totient is φ = 47280800320.

The previous prime is 88661086721. The next prime is 88661086783. The reversal of 88661086725 is 52768016688.

It is a happy number.

It is not a de Polignac number, because 88661086725 - 2² = 88661086721 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88661086721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 693886 + ... + 811664.

It is an arithmetic number, because the mean of its divisors is an integer number (6108424140).

Almost surely, 2^88661086725 is an apocalyptic number.

It is an amenable number.

88661086725 is a deficient number, since it is larger than the sum of its proper divisors (57941092635).

88661086725 is a wasteful number, since it uses less digits than its factorization.

88661086725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127829 (or 127824 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 88661086725 in words is "eighty-eight billion, six hundred sixty-one million, eighty-six thousand, seven hundred twenty-five".