854639527542 has 8 divisors (see below), whose sum is σ = 1709279055096. Its totient is φ = 284879842512.

The previous prime is 854639527541. The next prime is 854639527591. The reversal of 854639527542 is 245725936458.

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

854639527542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (854639527541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71219960623 + ... + 71219960634.

It is an arithmetic number, because the mean of its divisors is an integer number (213659881887).

Almost surely, 2^854639527542 is an apocalyptic number.

854639527542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

854639527542 is a wasteful number, since it uses less digits than its factorization.

854639527542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142439921262.

The product of its digits is 72576000, while the sum is 60.

The spelling of 854639527542 in words is "eight hundred fifty-four billion, six hundred thirty-nine million, five hundred twenty-seven thousand, five hundred forty-two".