88729881 has 4 divisors (see below), whose sum is σ = 118306512. Its totient is φ = 59153252.

The previous prime is 88729859. The next prime is 88729903. The reversal of 88729881 is 18892788.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (88729859) and next prime (88729903).

It is a cyclic number.

It is not a de Polignac number, because 88729881 - 2¹⁵ = 88697113 is a prime.

It is a super-2 number, since 2×88729881² = 15745983564548322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88729841) 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 3 ways as a sum of consecutive naturals, for example, 14788311 + ... + 14788316.

It is an arithmetic number, because the mean of its divisors is an integer number (29576628).

Almost surely, 2^88729881 is an apocalyptic number.

It is an amenable number.

88729881 is a deficient number, since it is larger than the sum of its proper divisors (29576631).

88729881 is a wasteful number, since it uses less digits than its factorization.

88729881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29576630.

The product of its digits is 516096, while the sum is 51.

The square root of 88729881 is about 9419.6539745364. The cubic root of 88729881 is about 446.0223617522.

The spelling of 88729881 in words is "eighty-eight million, seven hundred twenty-nine thousand, eight hundred eighty-one".