82867969 has 4 divisors (see below), whose sum is σ = 83642544. Its totient is φ = 82093396.

The previous prime is 82867943. The next prime is 82867997. The reversal of 82867969 is 96976828.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 82867969 - 2⁵ = 82867937 is a prime.

It is a super-2 number, since 2×82867969² = 13734200572369922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82861969) 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, 387127 + ... + 387340.

It is an arithmetic number, because the mean of its divisors is an integer number (20910636).

Almost surely, 2^82867969 is an apocalyptic number.

It is an amenable number.

82867969 is a deficient number, since it is larger than the sum of its proper divisors (774575).

82867969 is a wasteful number, since it uses less digits than its factorization.

82867969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774574.

The product of its digits is 2612736, while the sum is 55.

The square root of 82867969 is about 9103.1845526717. The cubic root of 82867969 is about 435.9756477856.

The spelling of 82867969 in words is "eighty-two million, eight hundred sixty-seven thousand, nine hundred sixty-nine".