88129393 has 4 divisors (see below), whose sum is σ = 96141168. Its totient is φ = 80117620.

The previous prime is 88129369. The next prime is 88129417. The reversal of 88129393 is 39392188.

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 (88129369) and next prime (88129417).

It is not a de Polignac number, because 88129393 - 2⁵ = 88129361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88129693) 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, 4005871 + ... + 4005892.

It is an arithmetic number, because the mean of its divisors is an integer number (24035292).

Almost surely, 2^88129393 is an apocalyptic number.

It is an amenable number.

88129393 is a deficient number, since it is larger than the sum of its proper divisors (8011775).

88129393 is a wasteful number, since it uses less digits than its factorization.

88129393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8011774.

The product of its digits is 93312, while the sum is 43.

The square root of 88129393 is about 9387.7256564090. The cubic root of 88129393 is about 445.0139169994.

The spelling of 88129393 in words is "eighty-eight million, one hundred twenty-nine thousand, three hundred ninety-three".