83765143627842 has 64 divisors (see below), whose sum is σ = 169517831128704. Its totient is φ = 27591775034880.

The previous prime is 83765143627793. The next prime is 83765143627843. The reversal of 83765143627842 is 24872634156738.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (83765143627843) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3491220598 + ... + 3491244590.

It is an arithmetic number, because the mean of its divisors is an integer number (2648716111386).

Almost surely, 2^{83765143627842} is an apocalyptic number.

83765143627842 is an abundant number, since it is smaller than the sum of its proper divisors (85752687500862).

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

83765143627842 is a wasteful number, since it uses less digits than its factorization.

83765143627842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37443.

The product of its digits is 325140480, while the sum is 66.

The spelling of 83765143627842 in words is "eighty-three trillion, seven hundred sixty-five billion, one hundred forty-three million, six hundred twenty-seven thousand, eight hundred forty-two".