82428867 has 16 divisors (see below), whose sum is σ = 123202080. Its totient is φ = 54464256.

The previous prime is 82428851. The next prime is 82428881. The reversal of 82428867 is 76882428.

It is a happy number.

It is not a de Polignac number, because 82428867 - 2⁴ = 82428851 is a prime.

It is a super-2 number, since 2×82428867² = 13589036229807378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82428847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10458 + ... + 16559.

It is an arithmetic number, because the mean of its divisors is an integer number (7700130).

Almost surely, 2^82428867 is an apocalyptic number.

82428867 is a deficient number, since it is larger than the sum of its proper divisors (40773213).

82428867 is a wasteful number, since it uses less digits than its factorization.

82428867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27139 (or 27133 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The square root of 82428867 is about 9079.0344750970. The cubic root of 82428867 is about 435.2042322788.

The spelling of 82428867 in words is "eighty-two million, four hundred twenty-eight thousand, eight hundred sixty-seven".