88556987670 has 64 divisors (see below), whose sum is σ = 220133272320. Its totient is φ = 22773123968.

The previous prime is 88556987591. The next prime is 88556987671. The reversal of 88556987670 is 7678965588.

It is a junction number, because it is equal to n+sod(n) for n = 88556987595 and 88556987604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88556987671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 657949 + ... + 781031.

It is an arithmetic number, because the mean of its divisors is an integer number (3439582380).

Almost surely, 2^88556987670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88556987670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110066636160).

88556987670 is an abundant number, since it is smaller than the sum of its proper divisors (131576284650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

88556987670 is a wasteful number, since it uses less digits than its factorization.

88556987670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123949.

The product of its (nonzero) digits is 203212800, while the sum is 69.

The spelling of 88556987670 in words is "eighty-eight billion, five hundred fifty-six million, nine hundred eighty-seven thousand, six hundred seventy".