813333882 has 8 divisors (see below), whose sum is σ = 1626667776. Its totient is φ = 271111292.

The previous prime is 813333881. The next prime is 813333883. The reversal of 813333882 is 288333318.

It is an interprime number because it is at equal distance from previous prime (813333881) and next prime (813333883).

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

813333882 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 813333882.

It is not an unprimeable number, because it can be changed into a prime (813333881) 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, 67777818 + ... + 67777829.

It is an arithmetic number, because the mean of its divisors is an integer number (203333472).

Almost surely, 2^813333882 is an apocalyptic number.

813333882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813333882 is a wasteful number, since it uses less digits than its factorization.

813333882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135555652.

The product of its digits is 82944, while the sum is 39.

The square root of 813333882 is about 28519.0091342599. The cubic root of 813333882 is about 933.4469081459.

The spelling of 813333882 in words is "eight hundred thirteen million, three hundred thirty-three thousand, eight hundred eighty-two".