82153667 has 4 divisors (see below), whose sum is σ = 82260720. Its totient is φ = 82046616.

The previous prime is 82153651. The next prime is 82153679. The reversal of 82153667 is 76635128.

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 82153667 - 2⁴ = 82153651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82153667.

It is not an unprimeable number, because it can be changed into a prime (82153067) 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, 52367 + ... + 53912.

It is an arithmetic number, because the mean of its divisors is an integer number (20565180).

Almost surely, 2^82153667 is an apocalyptic number.

82153667 is a deficient number, since it is larger than the sum of its proper divisors (107053).

82153667 is a wasteful number, since it uses less digits than its factorization.

82153667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107052.

The product of its digits is 60480, while the sum is 38.

The square root of 82153667 is about 9063.8660073944. The cubic root of 82153667 is about 434.7193627408.

The spelling of 82153667 in words is "eighty-two million, one hundred fifty-three thousand, six hundred sixty-seven".