82813027 has 4 divisors (see below), whose sum is σ = 90341496. Its totient is φ = 75284560.

The previous prime is 82813021. The next prime is 82813037. The reversal of 82813027 is 72031828.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82813027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82813027.

It is not an unprimeable number, because it can be changed into a prime (82813021) 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, 3764218 + ... + 3764239.

It is an arithmetic number, because the mean of its divisors is an integer number (22585374).

Almost surely, 2^82813027 is an apocalyptic number.

82813027 is a deficient number, since it is larger than the sum of its proper divisors (7528469).

82813027 is a wasteful number, since it uses less digits than its factorization.

82813027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528468.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 82813027 is about 9100.1663171615. The cubic root of 82813027 is about 435.8792749247.

The spelling of 82813027 in words is "eighty-two million, eight hundred thirteen thousand, twenty-seven".