2850555780781 has 8 divisors (see below), whose sum is σ = 2908312878240. Its totient is φ = 2793113436528.

The previous prime is 2850555780739. The next prime is 2850555780797. The reversal of 2850555780781 is 1870875550582.

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 2850555780781 - 2¹⁷ = 2850555649709 is a prime.

It is a super-2 number, since 2×2850555780781² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2850555780701) 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, 78670006 + ... + 78706231.

It is an arithmetic number, because the mean of its divisors is an integer number (363539109780).

Almost surely, 2^{2850555780781} is an apocalyptic number.

It is an amenable number.

2850555780781 is a deficient number, since it is larger than the sum of its proper divisors (57757097459).

2850555780781 is a wasteful number, since it uses less digits than its factorization.

2850555780781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157376603.

The product of its (nonzero) digits is 31360000, while the sum is 61.

The spelling of 2850555780781 in words is "two trillion, eight hundred fifty billion, five hundred fifty-five million, seven hundred eighty thousand, seven hundred eighty-one".