81334298 has 8 divisors (see below), whose sum is σ = 122145408. Its totient is φ = 40619164.

The previous prime is 81334271. The next prime is 81334301. The reversal of 81334298 is 89243318.

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

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, 21836 + ... + 25287.

It is an arithmetic number, because the mean of its divisors is an integer number (15268176).

Almost surely, 2^81334298 is an apocalyptic number.

81334298 is a deficient number, since it is larger than the sum of its proper divisors (40811110).

81334298 is a wasteful number, since it uses less digits than its factorization.

81334298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47988.

The product of its digits is 41472, while the sum is 38.

The square root of 81334298 is about 9018.5529881462. The cubic root of 81334298 is about 433.2692900752.

The spelling of 81334298 in words is "eighty-one million, three hundred thirty-four thousand, two hundred ninety-eight".