88645548681 has 12 divisors (see below), whose sum is σ = 128335247040. Its totient is φ = 58962412440.

The previous prime is 88645548679. The next prime is 88645548683. The reversal of 88645548681 is 18684554688.

88645548681 is a `hidden beast` number, since 8 + 8 + 6 + 4 + 5 + 548 + 6 + 81 = 666.

It is an interprime number because it is at equal distance from previous prime (88645548679) and next prime (88645548683).

It is not a de Polignac number, because 88645548681 - 2¹ = 88645548679 is a prime.

It is a super-2 number, since 2×88645548681² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88645548683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11214165 + ... + 11222066.

It is an arithmetic number, because the mean of its divisors is an integer number (10694603920).

Almost surely, 2^88645548681 is an apocalyptic number.

It is an amenable number.

88645548681 is a deficient number, since it is larger than the sum of its proper divisors (39689698359).

88645548681 is a wasteful number, since it uses less digits than its factorization.

88645548681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22436676 (or 22436673 counting only the distinct ones).

The product of its digits is 58982400, while the sum is 63.

The spelling of 88645548681 in words is "eighty-eight billion, six hundred forty-five million, five hundred forty-eight thousand, six hundred eighty-one".