85843661542 has 8 divisors (see below), whose sum is σ = 129147586776. Its totient is φ = 42794465952.

The previous prime is 85843661539. The next prime is 85843661581. The reversal of 85843661542 is 24516634858.

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

It is a self number, because there is not a number n which added to its sum of digits gives 85843661542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63681568 + ... + 63682915.

It is an arithmetic number, because the mean of its divisors is an integer number (16143448347).

Almost surely, 2^85843661542 is an apocalyptic number.

85843661542 is a deficient number, since it is larger than the sum of its proper divisors (43303925234).

85843661542 is a wasteful number, since it uses less digits than its factorization.

85843661542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127364822.

The product of its digits is 5529600, while the sum is 52.

The spelling of 85843661542 in words is "eighty-five billion, eight hundred forty-three million, six hundred sixty-one thousand, five hundred forty-two".