84733487 has 4 divisors (see below), whose sum is σ = 84756840. Its totient is φ = 84710136.

The previous prime is 84733471. The next prime is 84733489. The reversal of 84733487 is 78433748.

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 84733487 - 2⁴ = 84733471 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 (84733489) 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, 4937 + ... + 13922.

It is an arithmetic number, because the mean of its divisors is an integer number (21189210).

Almost surely, 2^84733487 is an apocalyptic number.

84733487 is a deficient number, since it is larger than the sum of its proper divisors (23353).

84733487 is a wasteful number, since it uses less digits than its factorization.

84733487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23352.

The product of its digits is 451584, while the sum is 44.

The square root of 84733487 is about 9205.0794130197. The cubic root of 84733487 is about 439.2229518736. Note that the first 3 decimals are identical.

The spelling of 84733487 in words is "eighty-four million, seven hundred thirty-three thousand, four hundred eighty-seven".