84705868801 has 4 divisors (see below), whose sum is σ = 84819874752. Its totient is φ = 84591862852.

The previous prime is 84705868787. The next prime is 84705868829. The reversal of 84705868801 is 10886850748.

It is a happy number.

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 84705868801 - 2⁷ = 84705868673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84705868901) 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, 57001861 + ... + 57003346.

It is an arithmetic number, because the mean of its divisors is an integer number (21204968688).

Almost surely, 2^84705868801 is an apocalyptic number.

It is an amenable number.

84705868801 is a deficient number, since it is larger than the sum of its proper divisors (114005951).

84705868801 is a wasteful number, since it uses less digits than its factorization.

84705868801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114005950.

The product of its (nonzero) digits is 3440640, while the sum is 55.

The spelling of 84705868801 in words is "eighty-four billion, seven hundred five million, eight hundred sixty-eight thousand, eight hundred one".