84044851801 has 4 divisors (see below), whose sum is σ = 84046039504. Its totient is φ = 84043664100.

The previous prime is 84044851799. The next prime is 84044851811. The reversal of 84044851801 is 10815844048.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 84044851801 - 2¹ = 84044851799 is a prime.

It is a super-2 number, since 2×84044851801² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84044851811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480495 + ... + 631636.

It is an arithmetic number, because the mean of its divisors is an integer number (21011509876).

Almost surely, 2^84044851801 is an apocalyptic number.

It is an amenable number.

84044851801 is a deficient number, since it is larger than the sum of its proper divisors (1187703).

84044851801 is a wasteful number, since it uses less digits than its factorization.

84044851801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187702.

The product of its (nonzero) digits is 163840, while the sum is 43.

The spelling of 84044851801 in words is "eighty-four billion, forty-four million, eight hundred fifty-one thousand, eight hundred one".