88439979 has 8 divisors (see below), whose sum is σ = 118184400. Its totient is φ = 58827776.

The previous prime is 88439977. The next prime is 88439983. The reversal of 88439979 is 97993488.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 88439979 - 2¹ = 88439977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88439971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31482 + ... + 34175.

It is an arithmetic number, because the mean of its divisors is an integer number (14773050).

Almost surely, 2^88439979 is an apocalyptic number.

88439979 is a deficient number, since it is larger than the sum of its proper divisors (29744421).

88439979 is a wasteful number, since it uses less digits than its factorization.

88439979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66109.

The product of its digits is 3919104, while the sum is 57.

The square root of 88439979 is about 9404.2532398910. The cubic root of 88439979 is about 445.5360774228.

The spelling of 88439979 in words is "eighty-eight million, four hundred thirty-nine thousand, nine hundred seventy-nine".