88745285845521 has 32 divisors (see below), whose sum is σ = 132138334560000. Its totient is φ = 58864811474304.

The previous prime is 88745285845501. The next prime is 88745285845561. The reversal of 88745285845521 is 12554858254788.

It is a happy number.

88745285845521 is a `hidden beast` number, since 8 + 8 + 7 + 4 + 5 + 2 + 8 + 58 + 45 + 521 = 666.

It is not a de Polignac number, because 88745285845521 - 2¹⁰ = 88745285844497 is a prime.

It is a super-2 number, since 2×88745285845521² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 88745285845521.

It is not an unprimeable number, because it can be changed into a prime (88745285845501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255113535 + ... + 255461163.

It is an arithmetic number, because the mean of its divisors is an integer number (4129322955000).

Almost surely, 2^{88745285845521} is an apocalyptic number.

It is an amenable number.

88745285845521 is a deficient number, since it is larger than the sum of its proper divisors (43393048714479).

88745285845521 is a wasteful number, since it uses less digits than its factorization.

88745285845521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395350 (or 395344 counting only the distinct ones).

The product of its digits is 1146880000, while the sum is 72.

The spelling of 88745285845521 in words is "eighty-eight trillion, seven hundred forty-five billion, two hundred eighty-five million, eight hundred forty-five thousand, five hundred twenty-one".