88123457856 has 224 divisors, whose sum is σ = 274154969088. Its totient is φ = 24461199360.

The previous prime is 88123457843. The next prime is 88123457857. The reversal of 88123457856 is 65875432188.

It is a tau number, because it is divible by the number of its divisors (224).

It is a junction number, because it is equal to n+sod(n) for n = 88123457796 and 88123457805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88123457857) 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, 7330891 + ... + 7342901.

It is an arithmetic number, because the mean of its divisors is an integer number (1223906112).

Almost surely, 2^88123457856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 88123457856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137077484544).

88123457856 is an abundant number, since it is smaller than the sum of its proper divisors (186031511232).

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

88123457856 is a wasteful number, since it uses less digits than its factorization.

88123457856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189 (or 12179 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 57.

The spelling of 88123457856 in words is "eighty-eight billion, one hundred twenty-three million, four hundred fifty-seven thousand, eight hundred fifty-six".