84487723 has 8 divisors (see below), whose sum is σ = 85205120. Its totient is φ = 83773440.

The previous prime is 84487709. The next prime is 84487729. The reversal of 84487723 is 32778448.

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 84487723 - 2⁵ = 84487691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84487723.

It is not an unprimeable number, because it can be changed into a prime (84487729) 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, 109483 + ... + 110251.

It is an arithmetic number, because the mean of its divisors is an integer number (10650640).

Almost surely, 2^84487723 is an apocalyptic number.

84487723 is a deficient number, since it is larger than the sum of its proper divisors (717397).

84487723 is a wasteful number, since it uses less digits than its factorization.

84487723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557.

The product of its digits is 301056, while the sum is 43.

The square root of 84487723 is about 9191.7203504023. The cubic root of 84487723 is about 438.7978947345.

The spelling of 84487723 in words is "eighty-four million, four hundred eighty-seven thousand, seven hundred twenty-three".