82969259 has 4 divisors (see below), whose sum is σ = 83010360. Its totient is φ = 82928160.

The previous prime is 82969253. The next prime is 82969279. The reversal of 82969259 is 95296928.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82969259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82969253) 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, 17357 + ... + 21614.

It is an arithmetic number, because the mean of its divisors is an integer number (20752590).

Almost surely, 2^82969259 is an apocalyptic number.

82969259 is a deficient number, since it is larger than the sum of its proper divisors (41101).

82969259 is a wasteful number, since it uses less digits than its factorization.

82969259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41100.

The product of its digits is 699840, while the sum is 50.

The square root of 82969259 is about 9108.7462913400. The cubic root of 82969259 is about 436.1532073170.

The spelling of 82969259 in words is "eighty-two million, nine hundred sixty-nine thousand, two hundred fifty-nine".