82793663 has 4 divisors (see below), whose sum is σ = 83140320. Its totient is φ = 82447008.

The previous prime is 82793651. The next prime is 82793693. The reversal of 82793663 is 36639728.

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 82793663 - 2¹⁶ = 82728127 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82793603) 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, 172970 + ... + 173447.

It is an arithmetic number, because the mean of its divisors is an integer number (20785080).

Almost surely, 2^82793663 is an apocalyptic number.

82793663 is a deficient number, since it is larger than the sum of its proper divisors (346657).

82793663 is a wasteful number, since it uses less digits than its factorization.

82793663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346656.

The product of its digits is 326592, while the sum is 44.

The square root of 82793663 is about 9099.1023183609. The cubic root of 82793663 is about 435.8452986912.

The spelling of 82793663 in words is "eighty-two million, seven hundred ninety-three thousand, six hundred sixty-three".