82694663 has 4 divisors (see below), whose sum is σ = 84711648. Its totient is φ = 80677680.

The previous prime is 82694609. The next prime is 82694671. The reversal of 82694663 is 36649628.

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 82694663 - 2¹⁴ = 82678279 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 (82694693) 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, 1008431 + ... + 1008512.

It is an arithmetic number, because the mean of its divisors is an integer number (21177912).

Almost surely, 2^82694663 is an apocalyptic number.

82694663 is a deficient number, since it is larger than the sum of its proper divisors (2016985).

82694663 is a wasteful number, since it uses less digits than its factorization.

82694663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2016984.

The product of its digits is 373248, while the sum is 44.

The square root of 82694663 is about 9093.6605940622. The cubic root of 82694663 is about 435.6715096487.

The spelling of 82694663 in words is "eighty-two million, six hundred ninety-four thousand, six hundred sixty-three".