88636007525 has 24 divisors (see below), whose sum is σ = 118976525640. Its totient is φ = 65115095040.

The previous prime is 88636007521. The next prime is 88636007609. The reversal of 88636007525 is 52570063688.

It is a Cunningham number, because it is equal to 297718²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 67160277409 + 21475730116 = 259153^2 + 146546^2 .

It is not a de Polignac number, because 88636007525 - 2² = 88636007521 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 (88636007521) 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, 643820 + ... + 769269.

It is an arithmetic number, because the mean of its divisors is an integer number (4957355235).

Almost surely, 2^88636007525 is an apocalyptic number.

It is an amenable number.

88636007525 is a deficient number, since it is larger than the sum of its proper divisors (30340518115).

88636007525 is a wasteful number, since it uses less digits than its factorization.

88636007525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413305 (or 1413300 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 88636007525 in words is "eighty-eight billion, six hundred thirty-six million, seven thousand, five hundred twenty-five".