88863691 has 4 divisors (see below), whose sum is σ = 101558512. Its totient is φ = 76168872.

The previous prime is 88863653. The next prime is 88863707. The reversal of 88863691 is 19636888.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 88863691 - 2¹⁵ = 88830923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88863491) 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 3 ways as a sum of consecutive naturals, for example, 6347400 + ... + 6347413.

It is an arithmetic number, because the mean of its divisors is an integer number (25389628).

Almost surely, 2^88863691 is an apocalyptic number.

88863691 is a deficient number, since it is larger than the sum of its proper divisors (12694821).

88863691 is a wasteful number, since it uses less digits than its factorization.

88863691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12694820.

The product of its digits is 497664, while the sum is 49.

The square root of 88863691 is about 9426.7540012456. The cubic root of 88863691 is about 446.2464586599.

The spelling of 88863691 in words is "eighty-eight million, eight hundred sixty-three thousand, six hundred ninety-one".