85840062547243 has 8 divisors (see below), whose sum is σ = 86516324992512. Its totient is φ = 85163805671616.

The previous prime is 85840062547237. The next prime is 85840062547271. The reversal of 85840062547243 is 34274526004858.

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

It is a cyclic number.

It is not a de Polignac number, because 85840062547243 - 2⁴⁵ = 50655690458411 is a prime.

It is a super-2 number, since 2×85840062547243² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85840062547273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32858871 + ... + 35374927.

It is an arithmetic number, because the mean of its divisors is an integer number (10814540624064).

Almost surely, 2^{85840062547243} is an apocalyptic number.

85840062547243 is a deficient number, since it is larger than the sum of its proper divisors (676262445269).

85840062547243 is a wasteful number, since it uses less digits than its factorization.

85840062547243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784821.

The product of its (nonzero) digits is 51609600, while the sum is 58.

The spelling of 85840062547243 in words is "eighty-five trillion, eight hundred forty billion, sixty-two million, five hundred forty-seven thousand, two hundred forty-three".