88438257813 has 8 divisors (see below), whose sum is σ = 121983804000. Its totient is φ = 56925775088.

The previous prime is 88438257781. The next prime is 88438257827. The reversal of 88438257813 is 31875283488.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88438257813 - 2⁵ = 88438257781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88438257833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508265763 + ... + 508265936.

It is an arithmetic number, because the mean of its divisors is an integer number (15247975500).

Almost surely, 2^88438257813 is an apocalyptic number.

It is an amenable number.

88438257813 is a deficient number, since it is larger than the sum of its proper divisors (33545546187).

88438257813 is a wasteful number, since it uses less digits than its factorization.

88438257813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016531731.

The product of its digits is 10321920, while the sum is 57.

The spelling of 88438257813 in words is "eighty-eight billion, four hundred thirty-eight million, two hundred fifty-seven thousand, eight hundred thirteen".