2861864985286 has 8 divisors (see below), whose sum is σ = 4292814778560. Its totient is φ = 1430926725768.

The previous prime is 2861864985283. The next prime is 2861864985307. The reversal of 2861864985286 is 6825894681682.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861864985283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233846 + ... + 3273193.

It is an arithmetic number, because the mean of its divisors is an integer number (536601847320).

Almost surely, 2^{2861864985286} is an apocalyptic number.

2861864985286 is a deficient number, since it is larger than the sum of its proper divisors (1430949793274).

2861864985286 is a wasteful number, since it uses less digits than its factorization.

2861864985286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5766878.

The product of its digits is 637009920, while the sum is 73.

The spelling of 2861864985286 in words is "two trillion, eight hundred sixty-one billion, eight hundred sixty-four million, nine hundred eighty-five thousand, two hundred eighty-six".