88669939981 has 8 divisors (see below), whose sum is σ = 101340383744. Its totient is φ = 76000323600.

The previous prime is 88669939877. The next prime is 88669939997. The reversal of 88669939981 is 18993996688.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88669939981 is a prime.

It is a super-2 number, since 2×88669939981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 88669939898 and 88669939907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88669939781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42916 + ... + 423298.

It is an arithmetic number, because the mean of its divisors is an integer number (12667547968).

Almost surely, 2^88669939981 is an apocalyptic number.

It is an amenable number.

88669939981 is a deficient number, since it is larger than the sum of its proper divisors (12670443763).

88669939981 is a wasteful number, since it uses less digits than its factorization.

88669939981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413691.

The product of its digits is 362797056, while the sum is 76.

The spelling of 88669939981 in words is "eighty-eight billion, six hundred sixty-nine million, nine hundred thirty-nine thousand, nine hundred eighty-one".