85843078542 has 48 divisors (see below), whose sum is σ = 200399865120. Its totient is φ = 26400154176.

The previous prime is 85843078537. The next prime is 85843078561. The reversal of 85843078542 is 24587034858.

85843078542 is a `hidden beast` number, since 8 + 58 + 43 + 0 + 7 + 8 + 542 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 387168 + ... + 567084.

It is an arithmetic number, because the mean of its divisors is an integer number (4174997190).

Almost surely, 2^85843078542 is an apocalyptic number.

85843078542 is an abundant number, since it is smaller than the sum of its proper divisors (114556786578).

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

85843078542 is a wasteful number, since it uses less digits than its factorization.

85843078542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181977 (or 181974 counting only the distinct ones).

The product of its (nonzero) digits is 8601600, while the sum is 54.

The spelling of 85843078542 in words is "eighty-five billion, eight hundred forty-three million, seventy-eight thousand, five hundred forty-two".