82933889 has 4 divisors (see below), whose sum is σ = 82959024. Its totient is φ = 82908756.

The previous prime is 82933867. The next prime is 82933931. The reversal of 82933889 is 98833928.

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 a cyclic number.

It is not a de Polignac number, because 82933889 - 2¹² = 82929793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82933189) 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, 6707 + ... + 14520.

It is an arithmetic number, because the mean of its divisors is an integer number (20739756).

Almost surely, 2^82933889 is an apocalyptic number.

It is an amenable number.

82933889 is a deficient number, since it is larger than the sum of its proper divisors (25135).

82933889 is a wasteful number, since it uses less digits than its factorization.

82933889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25134.

The product of its digits is 746496, while the sum is 50.

The square root of 82933889 is about 9106.8045438562. The cubic root of 82933889 is about 436.0912207780.

The spelling of 82933889 in words is "eighty-two million, nine hundred thirty-three thousand, eight hundred eighty-nine".