84272263 has 4 divisors (see below), whose sum is σ = 84498568. Its totient is φ = 84045960.

The previous prime is 84272257. The next prime is 84272267. The reversal of 84272263 is 36227248.

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

It is a cyclic number.

It is not a de Polignac number, because 84272263 - 2⁹ = 84271751 is a prime.

It is a super-2 number, since 2×84272263² = 14203628622282338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84272267) 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, 112593 + ... + 113338.

It is an arithmetic number, because the mean of its divisors is an integer number (21124642).

Almost surely, 2^84272263 is an apocalyptic number.

84272263 is a deficient number, since it is larger than the sum of its proper divisors (226305).

84272263 is a wasteful number, since it uses less digits than its factorization.

84272263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226304.

The product of its digits is 32256, while the sum is 34.

The square root of 84272263 is about 9179.9925381233. The cubic root of 84272263 is about 438.4245707648.

The spelling of 84272263 in words is "eighty-four million, two hundred seventy-two thousand, two hundred sixty-three".