83554745801 has 4 divisors (see below), whose sum is σ = 85812982212. Its totient is φ = 81296509392.

The previous prime is 83554745723. The next prime is 83554745839. The reversal of 83554745801 is 10854745538.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69208455625 + 14346290176 = 263075^2 + 119776^2 .

It is a cyclic number.

It is not a de Polignac number, because 83554745801 - 2²⁶ = 83487636937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83554745801.

It is not an unprimeable number, because it can be changed into a prime (83554745891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129118150 + ... + 1129118223.

It is an arithmetic number, because the mean of its divisors is an integer number (21453245553).

Almost surely, 2^83554745801 is an apocalyptic number.

It is an amenable number.

83554745801 is a deficient number, since it is larger than the sum of its proper divisors (2258236411).

83554745801 is a wasteful number, since it uses less digits than its factorization.

83554745801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258236410.

The product of its (nonzero) digits is 2688000, while the sum is 50.

The spelling of 83554745801 in words is "eighty-three billion, five hundred fifty-four million, seven hundred forty-five thousand, eight hundred one".