84901143842 has 8 divisors (see below), whose sum is σ = 129510219600. Its totient is φ = 41731070644.

The previous prime is 84901143841. The next prime is 84901143853. The reversal of 84901143842 is 24834110948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 84901143793 and 84901143802.

It is not an unprimeable number, because it can be changed into a prime (84901143841) 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 3 ways as a sum of consecutive naturals, for example, 359750492 + ... + 359750727.

It is an arithmetic number, because the mean of its divisors is an integer number (16188777450).

Almost surely, 2^84901143842 is an apocalyptic number.

84901143842 is a deficient number, since it is larger than the sum of its proper divisors (44609075758).

84901143842 is a wasteful number, since it uses less digits than its factorization.

84901143842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719501280.

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 84901143842 in words is "eighty-four billion, nine hundred one million, one hundred forty-three thousand, eight hundred forty-two".