88681032421 has 16 divisors (see below), whose sum is σ = 94053960000. Its totient is φ = 83379096576.

The previous prime is 88681032373. The next prime is 88681032439. The reversal of 88681032421 is 12423018688.

It is a happy number.

It is not a de Polignac number, because 88681032421 - 2¹⁵ = 88680999653 is a prime.

It is a super-2 number, since 2×88681032421² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88681032481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11323335 + ... + 11331163.

It is an arithmetic number, because the mean of its divisors is an integer number (5878372500).

Almost surely, 2^88681032421 is an apocalyptic number.

It is an amenable number.

88681032421 is a deficient number, since it is larger than the sum of its proper divisors (5372927579).

88681032421 is a wasteful number, since it uses less digits than its factorization.

88681032421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12276.

The product of its (nonzero) digits is 147456, while the sum is 43.

The spelling of 88681032421 in words is "eighty-eight billion, six hundred eighty-one million, thirty-two thousand, four hundred twenty-one".