88085135681 has 4 divisors (see below), whose sum is σ = 89959287552. Its totient is φ = 86210983812.

The previous prime is 88085135653. The next prime is 88085135683. The reversal of 88085135681 is 18653158088.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 88085135681 - 2³⁰ = 87011393857 is a prime.

It is a super-2 number, since 2×88085135681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88085135683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 937075865 + ... + 937075958.

It is an arithmetic number, because the mean of its divisors is an integer number (22489821888).

Almost surely, 2^88085135681 is an apocalyptic number.

It is an amenable number.

88085135681 is a deficient number, since it is larger than the sum of its proper divisors (1874151871).

88085135681 is a wasteful number, since it uses less digits than its factorization.

88085135681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874151870.

The product of its (nonzero) digits is 1843200, while the sum is 53.

The spelling of 88085135681 in words is "eighty-eight billion, eighty-five million, one hundred thirty-five thousand, six hundred eighty-one".