82840767 has 8 divisors (see below), whose sum is σ = 110848560. Its totient is φ = 55030080.

The previous prime is 82840757. The next prime is 82840783. The reversal of 82840767 is 76704828.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82840767 - 2¹⁴ = 82824383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82840717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48292 + ... + 49977.

It is an arithmetic number, because the mean of its divisors is an integer number (13856070).

Almost surely, 2^82840767 is an apocalyptic number.

82840767 is a deficient number, since it is larger than the sum of its proper divisors (28007793).

82840767 is a wasteful number, since it uses less digits than its factorization.

82840767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98553.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 82840767 is about 9101.6903375142. The cubic root of 82840767 is about 435.9279385295.

The spelling of 82840767 in words is "eighty-two million, eight hundred forty thousand, seven hundred sixty-seven".