82146299 has 4 divisors (see below), whose sum is σ = 84978960. Its totient is φ = 79313640.

The previous prime is 82146269. The next prime is 82146313. The reversal of 82146299 is 99264128.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82146299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82146269) 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, 1416287 + ... + 1416344.

It is an arithmetic number, because the mean of its divisors is an integer number (21244740).

Almost surely, 2^82146299 is an apocalyptic number.

82146299 is a deficient number, since it is larger than the sum of its proper divisors (2832661).

82146299 is a wasteful number, since it uses less digits than its factorization.

82146299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2832660.

The product of its digits is 62208, while the sum is 41.

The square root of 82146299 is about 9063.4595492008. The cubic root of 82146299 is about 434.7063663316.

The spelling of 82146299 in words is "eighty-two million, one hundred forty-six thousand, two hundred ninety-nine".