2890784870947 has 2 divisors, whose sum is σ = 2890784870948. Its totient is φ = 2890784870946.

The previous prime is 2890784870933. The next prime is 2890784871049. The reversal of 2890784870947 is 7490784870982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2890784870947 - 2³¹ = 2888637387299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2890784870947.

It is not a weakly prime, because it can be changed into another prime (2890784874947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1445392435473 + 1445392435474.

It is an arithmetic number, because the mean of its divisors is an integer number (1445392435474).

Almost surely, 2^{2890784870947} is an apocalyptic number.

2890784870947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2890784870947 is an equidigital number, since it uses as much as digits as its factorization.

2890784870947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 455196672, while the sum is 73.

The spelling of 2890784870947 in words is "two trillion, eight hundred ninety billion, seven hundred eighty-four million, eight hundred seventy thousand, nine hundred forty-seven".