84591048242 has 32 divisors (see below), whose sum is σ = 134792294400. Its totient is φ = 39750879168.

The previous prime is 84591048233. The next prime is 84591048247. The reversal of 84591048242 is 24284019548.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (84591048247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282059 + ... + 498737.

It is an arithmetic number, because the mean of its divisors is an integer number (4212259200).

Almost surely, 2^84591048242 is an apocalyptic number.

84591048242 is a deficient number, since it is larger than the sum of its proper divisors (50201246158).

84591048242 is a wasteful number, since it uses less digits than its factorization.

84591048242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216890.

The product of its (nonzero) digits is 737280, while the sum is 47.

The spelling of 84591048242 in words is "eighty-four billion, five hundred ninety-one million, forty-eight thousand, two hundred forty-two".