82764419 has 4 divisors (see below), whose sum is σ = 86362896. Its totient is φ = 79165944.

The previous prime is 82764413. The next prime is 82764431. The reversal of 82764419 is 91446728.

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 82764419 - 2⁴ = 82764403 is a prime.

It is a super-2 number, since 2×82764419² = 13699898104815122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82764413) 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, 1799204 + ... + 1799249.

It is an arithmetic number, because the mean of its divisors is an integer number (21590724).

Almost surely, 2^82764419 is an apocalyptic number.

82764419 is a deficient number, since it is larger than the sum of its proper divisors (3598477).

82764419 is a wasteful number, since it uses less digits than its factorization.

82764419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3598476.

The product of its digits is 96768, while the sum is 41.

The square root of 82764419 is about 9097.4952047253. The cubic root of 82764419 is about 435.7939768854.

The spelling of 82764419 in words is "eighty-two million, seven hundred sixty-four thousand, four hundred nineteen".