84887538 has 16 divisors (see below), whose sum is σ = 169908960. Its totient is φ = 28273536.

The previous prime is 84887533. The next prime is 84887563. The reversal of 84887538 is 83578848.

It is not an unprimeable number, because it can be changed into a prime (84887531) 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, 3906 + ... + 13602.

It is an arithmetic number, because the mean of its divisors is an integer number (10619310).

Almost surely, 2^84887538 is an apocalyptic number.

84887538 is an abundant number, since it is smaller than the sum of its proper divisors (85021422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84887538 is a wasteful number, since it uses less digits than its factorization.

84887538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11161.

The product of its digits is 1720320, while the sum is 51.

The square root of 84887538 is about 9213.4433302647. The cubic root of 84887538 is about 439.4889693740.

The spelling of 84887538 in words is "eighty-four million, eight hundred eighty-seven thousand, five hundred thirty-eight".