2961930887 has 2 divisors, whose sum is σ = 2961930888. Its totient is φ = 2961930886.

The previous prime is 2961930809. The next prime is 2961930889. The reversal of 2961930887 is 7880391692.

2961930887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2961930887 - 2¹⁰ = 2961929863 is a prime.

Together with 2961930889, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2961930889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1480965443 + 1480965444.

It is an arithmetic number, because the mean of its divisors is an integer number (1480965444).

Almost surely, 2^2961930887 is an apocalyptic number.

2961930887 is a deficient number, since it is larger than the sum of its proper divisors (1).

2961930887 is an equidigital number, since it uses as much as digits as its factorization.

2961930887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 53.

The square root of 2961930887 is about 54423.6243464178. The cubic root of 2961930887 is about 1436.1230084686.

It can be divided in two parts, 29619 and 30887, that added together give a palindrome (60506).

The spelling of 2961930887 in words is "two billion, nine hundred sixty-one million, nine hundred thirty thousand, eight hundred eighty-seven".