84811542 has 16 divisors (see below), whose sum is σ = 170286192. Its totient is φ = 28160000.

The previous prime is 84811541. The next prime is 84811579. The reversal of 84811542 is 24511848.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84811541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25959 + ... + 29042.

It is an arithmetic number, because the mean of its divisors is an integer number (10642887).

Almost surely, 2^84811542 is an apocalyptic number.

84811542 is an abundant number, since it is smaller than the sum of its proper divisors (85474650).

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

84811542 is a wasteful number, since it uses less digits than its factorization.

84811542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55263.

The product of its digits is 10240, while the sum is 33.

The square root of 84811542 is about 9209.3182158073. The cubic root of 84811542 is about 439.3577786384.

The spelling of 84811542 in words is "eighty-four million, eight hundred eleven thousand, five hundred forty-two".