88727786862 has 64 divisors (see below), whose sum is σ = 208734865920. Its totient is φ = 24788534400.

The previous prime is 88727786821. The next prime is 88727786867. The reversal of 88727786862 is 26868772788.

It is a super-2 number, since 2×88727786862² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88727786867) 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, 641439 + ... + 767397.

It is an arithmetic number, because the mean of its divisors is an integer number (3261482280).

Almost surely, 2^88727786862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88727786862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104367432960).

88727786862 is an abundant number, since it is smaller than the sum of its proper divisors (120007079058).

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

88727786862 is a wasteful number, since it uses less digits than its factorization.

88727786862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126809.

The product of its digits is 202309632, while the sum is 69.

The spelling of 88727786862 in words is "eighty-eight billion, seven hundred twenty-seven million, seven hundred eighty-six thousand, eight hundred sixty-two".