2869879680 has 128 divisors (see below), whose sum is σ = 10164218400. Its totient is φ = 765296640.

The previous prime is 2869879657. The next prime is 2869879693. The reversal of 2869879680 is 869789682.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65761 + ... + 100320.

Almost surely, 2^2869879680 is an apocalyptic number.

2869879680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2869879680 is an abundant number, since it is smaller than the sum of its proper divisors (7294338720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2869879680 is a wasteful number, since it uses less digits than its factorization.

2869879680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166109 (or 166091 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The square root of 2869879680 is about 53571.2579654426. The cubic root of 2869879680 is about 1421.0888428459.

The spelling of 2869879680 in words is "two billion, eight hundred sixty-nine million, eight hundred seventy-nine thousand, six hundred eighty".