83388963 has 8 divisors (see below), whose sum is σ = 127068928. Its totient is φ = 47650824.

The previous prime is 83388959. The next prime is 83388973. The reversal of 83388963 is 36988338.

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

It is not a de Polignac number, because 83388963 - 2² = 83388959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83388953) 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 7 ways as a sum of consecutive naturals, for example, 1985431 + ... + 1985472.

It is an arithmetic number, because the mean of its divisors is an integer number (15883616).

Almost surely, 2^83388963 is an apocalyptic number.

83388963 is a deficient number, since it is larger than the sum of its proper divisors (43679965).

83388963 is a wasteful number, since it uses less digits than its factorization.

83388963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3970913.

The product of its digits is 746496, while the sum is 48.

The square root of 83388963 is about 9131.7557457479. The cubic root of 83388963 is about 436.8874047288.

The spelling of 83388963 in words is "eighty-three million, three hundred eighty-eight thousand, nine hundred sixty-three".