2860855447 has 2 divisors, whose sum is σ = 2860855448. Its totient is φ = 2860855446.

The previous prime is 2860855399. The next prime is 2860855451. The reversal of 2860855447 is 7445580682.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2860855447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2860855447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2860856447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430427723 + 1430427724.

It is an arithmetic number, because the mean of its divisors is an integer number (1430427724).

Almost surely, 2^2860855447 is an apocalyptic number.

2860855447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2860855447 is an equidigital number, since it uses as much as digits as its factorization.

2860855447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2150400, while the sum is 49.

The square root of 2860855447 is about 53486.9652064875. The cubic root of 2860855447 is about 1419.5977580181.

The spelling of 2860855447 in words is "two billion, eight hundred sixty million, eight hundred fifty-five thousand, four hundred forty-seven".