82672663 has 4 divisors (see below), whose sum is σ = 82697328. Its totient is φ = 82648000.

The previous prime is 82672661. The next prime is 82672673. The reversal of 82672663 is 36627628.

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 82672663 - 2¹ = 82672661 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 (82672661) 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, 6331 + ... + 14332.

It is an arithmetic number, because the mean of its divisors is an integer number (20674332).

Almost surely, 2^82672663 is an apocalyptic number.

82672663 is a deficient number, since it is larger than the sum of its proper divisors (24665).

82672663 is a wasteful number, since it uses less digits than its factorization.

82672663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24664.

The product of its digits is 145152, while the sum is 40.

The square root of 82672663 is about 9092.4508797133. The cubic root of 82672663 is about 435.6328710273.

The spelling of 82672663 in words is "eighty-two million, six hundred seventy-two thousand, six hundred sixty-three".