82400803 has 4 divisors (see below), whose sum is σ = 85242240. Its totient is φ = 79559368.

The previous prime is 82400797. The next prime is 82400809. The reversal of 82400803 is 30800428.

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

It is an interprime number because it is at equal distance from previous prime (82400797) and next prime (82400809).

It is a cyclic number.

It is not a de Polignac number, because 82400803 - 2²¹ = 80303651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82400809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420675 + ... + 1420732.

It is an arithmetic number, because the mean of its divisors is an integer number (21310560).

Almost surely, 2^82400803 is an apocalyptic number.

82400803 is a deficient number, since it is larger than the sum of its proper divisors (2841437).

82400803 is a wasteful number, since it uses less digits than its factorization.

82400803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841436.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 82400803 is about 9077.4888047301. The cubic root of 82400803 is about 435.1548363233.

The spelling of 82400803 in words is "eighty-two million, four hundred thousand, eight hundred three".