84009263 has 4 divisors (see below), whose sum is σ = 90471528. Its totient is φ = 77547000.

The previous prime is 84009251. The next prime is 84009281. The reversal of 84009263 is 36290048.

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 84009263 - 2⁶ = 84009199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84029263) 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, 3231113 + ... + 3231138.

It is an arithmetic number, because the mean of its divisors is an integer number (22617882).

Almost surely, 2^84009263 is an apocalyptic number.

84009263 is a deficient number, since it is larger than the sum of its proper divisors (6462265).

84009263 is a wasteful number, since it uses less digits than its factorization.

84009263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6462264.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 84009263 is about 9165.6567140604. The cubic root of 84009263 is about 437.9680116057.

The spelling of 84009263 in words is "eighty-four million, nine thousand, two hundred sixty-three".