82712203 has 4 divisors (see below), whose sum is σ = 94528240. Its totient is φ = 70896168.

The previous prime is 82712183. The next prime is 82712207. The reversal of 82712203 is 30221728.

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

It is a de Polignac number, because none of the positive numbers 2^k-82712203 is a prime.

It is a super-2 number, since 2×82712203² = 13682617050226418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82712207) 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, 5908008 + ... + 5908021.

It is an arithmetic number, because the mean of its divisors is an integer number (23632060).

Almost surely, 2^82712203 is an apocalyptic number.

82712203 is a deficient number, since it is larger than the sum of its proper divisors (11816037).

82712203 is a wasteful number, since it uses less digits than its factorization.

82712203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11816036.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 82712203 is about 9094.6249510356. The cubic root of 82712203 is about 435.7023102581.

The spelling of 82712203 in words is "eighty-two million, seven hundred twelve thousand, two hundred three".