88865843081 has 4 divisors (see below), whose sum is σ = 88931138964. Its totient is φ = 88800547200.

The previous prime is 88865843009. The next prime is 88865843083. The reversal of 88865843081 is 18034856888.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17264646025 + 71601197056 = 131395^2 + 267584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88865843081 is a prime.

It is a super-2 number, since 2×88865843081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 88865843081.

It is not an unprimeable number, because it can be changed into a prime (88865843083) 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, 32645900 + ... + 32648621.

It is an arithmetic number, because the mean of its divisors is an integer number (22232784741).

Almost surely, 2^88865843081 is an apocalyptic number.

It is an amenable number.

88865843081 is a deficient number, since it is larger than the sum of its proper divisors (65295883).

88865843081 is a wasteful number, since it uses less digits than its factorization.

88865843081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65295882.

The product of its (nonzero) digits is 11796480, while the sum is 59.

The spelling of 88865843081 in words is "eighty-eight billion, eight hundred sixty-five million, eight hundred forty-three thousand, eighty-one".