82996709 has 4 divisors (see below), whose sum is σ = 83030604. Its totient is φ = 82962816.

The previous prime is 82996687. The next prime is 82996717. The reversal of 82996709 is 90769928.

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

It can be written as a sum of positive squares in 2 ways, for example, as 64480900 + 18515809 = 8030^2 + 4303^2 .

It is a cyclic number.

It is not a de Polignac number, because 82996709 - 2²⁰ = 81948133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82996759) 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, 12962 + ... + 18275.

It is an arithmetic number, because the mean of its divisors is an integer number (20757651).

Almost surely, 2^82996709 is an apocalyptic number.

It is an amenable number.

82996709 is a deficient number, since it is larger than the sum of its proper divisors (33895).

82996709 is a wasteful number, since it uses less digits than its factorization.

82996709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33894.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 82996709 is about 9110.2529602641. The cubic root of 82996709 is about 436.2013017783.

The spelling of 82996709 in words is "eighty-two million, nine hundred ninety-six thousand, seven hundred nine".