82313827 has 4 divisors (see below), whose sum is σ = 83663296. Its totient is φ = 80964360.

The previous prime is 82313809. The next prime is 82313867. The reversal of 82313827 is 72831328.

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-82313827 is a prime.

It is a super-2 number, since 2×82313827² = 13551132230771858, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82313792 and 82313801.

It is not an unprimeable number, because it can be changed into a prime (82313867) 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, 674643 + ... + 674764.

It is an arithmetic number, because the mean of its divisors is an integer number (20915824).

Almost surely, 2^82313827 is an apocalyptic number.

82313827 is a deficient number, since it is larger than the sum of its proper divisors (1349469).

82313827 is a wasteful number, since it uses less digits than its factorization.

82313827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349468.

The product of its digits is 16128, while the sum is 34.

The square root of 82313827 is about 9072.6967876150. The cubic root of 82313827 is about 435.0016770094.

The spelling of 82313827 in words is "eighty-two million, three hundred thirteen thousand, eight hundred twenty-seven".