82698829 has 4 divisors (see below), whose sum is σ = 87563484. Its totient is φ = 77834176.

The previous prime is 82698821. The next prime is 82698839. The reversal of 82698829 is 92889628.

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 61261929 + 21436900 = 7827^2 + 4630^2 .

It is a cyclic number.

It is not a de Polignac number, because 82698829 - 2³ = 82698821 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 (82698821) 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, 2432302 + ... + 2432335.

It is an arithmetic number, because the mean of its divisors is an integer number (21890871).

Almost surely, 2^82698829 is an apocalyptic number.

It is an amenable number.

82698829 is a deficient number, since it is larger than the sum of its proper divisors (4864655).

82698829 is a wasteful number, since it uses less digits than its factorization.

82698829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4864654.

The product of its digits is 995328, while the sum is 52.

The square root of 82698829 is about 9093.8896518487. The cubic root of 82698829 is about 435.6788256268.

The spelling of 82698829 in words is "eighty-two million, six hundred ninety-eight thousand, eight hundred twenty-nine".