2961990879 has 16 divisors (see below), whose sum is σ = 4008406272. Its totient is φ = 1945317888.

The previous prime is 2961990833. The next prime is 2961990881. The reversal of 2961990879 is 9780991692.

It is a happy number.

2961990879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2961990879 - 2⁷ = 2961990751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2961990809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34804 + ... + 84470.

It is an arithmetic number, because the mean of its divisors is an integer number (250525392).

Almost surely, 2^2961990879 is an apocalyptic number.

2961990879 is a deficient number, since it is larger than the sum of its proper divisors (1046415393).

2961990879 is a wasteful number, since it uses less digits than its factorization.

2961990879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49966.

The product of its (nonzero) digits is 4408992, while the sum is 60.

The square root of 2961990879 is about 54424.1755013340. The cubic root of 2961990879 is about 1436.1327043183.

The spelling of 2961990879 in words is "two billion, nine hundred sixty-one million, nine hundred ninety thousand, eight hundred seventy-nine".