82813282 has 8 divisors (see below), whose sum is σ = 124465500. Its totient is φ = 41324784.

The previous prime is 82813277. The next prime is 82813303. The reversal of 82813282 is 28231828.

It can be written as a sum of positive squares in 2 ways, for example, as 80120401 + 2692881 = 8951^2 + 1641^2 .

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

It is a super-2 number, since 2×82813282² = 13716079351223048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39657 + ... + 41692.

Almost surely, 2^82813282 is an apocalyptic number.

82813282 is a deficient number, since it is larger than the sum of its proper divisors (41652218).

82813282 is a wasteful number, since it uses less digits than its factorization.

82813282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81860.

The product of its digits is 12288, while the sum is 34.

The square root of 82813282 is about 9100.1803278836. The cubic root of 82813282 is about 435.8797223145.

The spelling of 82813282 in words is "eighty-two million, eight hundred thirteen thousand, two hundred eighty-two".