88681293 has 12 divisors (see below), whose sum is σ = 128913148. Its totient is φ = 58743360.

The previous prime is 88681289. The next prime is 88681301. The reversal of 88681293 is 39218688.

It can be written as a sum of positive squares in 2 ways, for example, as 17413929 + 71267364 = 4173^2 + 8442^2 .

It is not a de Polignac number, because 88681293 - 2² = 88681289 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88681223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29968 + ... + 32793.

Almost surely, 2^88681293 is an apocalyptic number.

It is an amenable number.

88681293 is a deficient number, since it is larger than the sum of its proper divisors (40231855).

88681293 is a wasteful number, since it uses less digits than its factorization.

88681293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62924 (or 62921 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 88681293 is about 9417.0745457387. The cubic root of 88681293 is about 445.9409337479.

The spelling of 88681293 in words is "eighty-eight million, six hundred eighty-one thousand, two hundred ninety-three".