82995863 has 4 divisors (see below), whose sum is σ = 83104560. Its totient is φ = 82887168.

The previous prime is 82995859. The next prime is 82995877. The reversal of 82995863 is 36859928.

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

It is a cyclic number.

It is not a de Polignac number, because 82995863 - 2² = 82995859 is a prime.

It is a super-2 number, since 2×82995863² = 13776626550229538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82995823) 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, 53195 + ... + 54732.

It is an arithmetic number, because the mean of its divisors is an integer number (20776140).

Almost surely, 2^82995863 is an apocalyptic number.

82995863 is a deficient number, since it is larger than the sum of its proper divisors (108697).

82995863 is a wasteful number, since it uses less digits than its factorization.

82995863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108696.

The product of its digits is 933120, while the sum is 50.

The square root of 82995863 is about 9110.2065289432. The cubic root of 82995863 is about 436.1998196811.

The spelling of 82995863 in words is "eighty-two million, nine hundred ninety-five thousand, eight hundred sixty-three".