88550428386 has 64 divisors (see below), whose sum is σ = 207861454080. Its totient is φ = 24620682240.

The previous prime is 88550428367. The next prime is 88550428399. The reversal of 88550428386 is 68382405588.

It is a super-2 number, since 2×88550428386² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 618870 + ... + 748398.

It is an arithmetic number, because the mean of its divisors is an integer number (3247835220).

Almost surely, 2^88550428386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88550428386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103930727040).

88550428386 is an abundant number, since it is smaller than the sum of its proper divisors (119311025694).

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

88550428386 is a wasteful number, since it uses less digits than its factorization.

88550428386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129979.

The product of its (nonzero) digits is 14745600, while the sum is 57.

The spelling of 88550428386 in words is "eighty-eight billion, five hundred fifty million, four hundred twenty-eight thousand, three hundred eighty-six".