82684801 has 4 divisors (see below), whose sum is σ = 83046100. Its totient is φ = 82323504.

The previous prime is 82684769. The next prime is 82684807. The reversal of 82684801 is 10848628.

82684801 = T₇₄₂₃ + T₇₄₂₄ + T₇₄₂₅.

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

It can be written as a sum of positive squares in 2 ways, for example, as 64400625 + 18284176 = 8025^2 + 4276^2 .

It is a cyclic number.

It is not a de Polignac number, because 82684801 - 2⁵ = 82684769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82684807) 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, 180306 + ... + 180763.

It is an arithmetic number, because the mean of its divisors is an integer number (20761525).

Almost surely, 2^82684801 is an apocalyptic number.

82684801 is the 7425-th centered triangular number.

It is an amenable number.

82684801 is a deficient number, since it is larger than the sum of its proper divisors (361299).

82684801 is a wasteful number, since it uses less digits than its factorization.

82684801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361298.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 82684801 is about 9093.1183320135. The cubic root of 82684801 is about 435.6541898560.

The spelling of 82684801 in words is "eighty-two million, six hundred eighty-four thousand, eight hundred one".