82812458 has 16 divisors (see below), whose sum is σ = 128943360. Its totient is φ = 39841200.

The previous prime is 82812437. The next prime is 82812467. The reversal of 82812458 is 85421828.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15743 + ... + 20333.

It is an arithmetic number, because the mean of its divisors is an integer number (8058960).

Almost surely, 2^82812458 is an apocalyptic number.

82812458 is a deficient number, since it is larger than the sum of its proper divisors (46130902).

82812458 is a wasteful number, since it uses less digits than its factorization.

82812458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933.

The product of its digits is 40960, while the sum is 38.

The square root of 82812458 is about 9100.1350539429. The cubic root of 82812458 is about 435.8782766282.

The spelling of 82812458 in words is "eighty-two million, eight hundred twelve thousand, four hundred fifty-eight".