88967639 has 4 divisors (see below), whose sum is σ = 88989024. Its totient is φ = 88946256.

The previous prime is 88967629. The next prime is 88967651. The reversal of 88967639 is 93676988.

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 88967639 - 2⁴ = 88967623 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 (88967629) 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, 2207 + ... + 13520.

It is an arithmetic number, because the mean of its divisors is an integer number (22247256).

Almost surely, 2^88967639 is an apocalyptic number.

88967639 is a deficient number, since it is larger than the sum of its proper divisors (21385).

88967639 is a wasteful number, since it uses less digits than its factorization.

88967639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21384.

The product of its digits is 3919104, while the sum is 56.

The square root of 88967639 is about 9432.2658465503. The cubic root of 88967639 is about 446.4203892846.

The spelling of 88967639 in words is "eighty-eight million, nine hundred sixty-seven thousand, six hundred thirty-nine".