82889713 has 4 divisors (see below), whose sum is σ = 82920960. Its totient is φ = 82858468.

The previous prime is 82889711. The next prime is 82889771. The reversal of 82889713 is 31798828.

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 82889713 - 2¹ = 82889711 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82889711) 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, 11233 + ... + 17086.

It is an arithmetic number, because the mean of its divisors is an integer number (20730240).

Almost surely, 2^82889713 is an apocalyptic number.

It is an amenable number.

82889713 is a deficient number, since it is larger than the sum of its proper divisors (31247).

82889713 is a wasteful number, since it uses less digits than its factorization.

82889713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31246.

The product of its digits is 193536, while the sum is 46.

The square root of 82889713 is about 9104.3787816632. The cubic root of 82889713 is about 436.0137768141.

The spelling of 82889713 in words is "eighty-two million, eight hundred eighty-nine thousand, seven hundred thirteen".