84798281 has 8 divisors (see below), whose sum is σ = 86922240. Its totient is φ = 82697328.

The previous prime is 84798271. The next prime is 84798283. The reversal of 84798281 is 18289748.

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

It is a cyclic number.

It is not a de Polignac number, because 84798281 - 2¹⁴ = 84781897 is a prime.

It is a super-2 number, since 2×84798281² = 14381496921109922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84798283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1835 + ... + 13151.

It is an arithmetic number, because the mean of its divisors is an integer number (10865280).

Almost surely, 2^84798281 is an apocalyptic number.

It is an amenable number.

84798281 is a deficient number, since it is larger than the sum of its proper divisors (2123959).

84798281 is a wasteful number, since it uses less digits than its factorization.

84798281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11503.

The product of its digits is 258048, while the sum is 47.

The square root of 84798281 is about 9208.5982103684. The cubic root of 84798281 is about 439.3348783465.

The spelling of 84798281 in words is "eighty-four million, seven hundred ninety-eight thousand, two hundred eighty-one".