2076879921 has 24 divisors (see below), whose sum is σ = 2994694080. Its totient is φ = 1278690336.

The previous prime is 2076879913. The next prime is 2076879941. The reversal of 2076879921 is 1299786702.

It is not a de Polignac number, because 2076879921 - 2³ = 2076879913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2076879941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23460 + ... + 68586.

It is an arithmetic number, because the mean of its divisors is an integer number (124778920).

Almost surely, 2^2076879921 is an apocalyptic number.

It is an amenable number.

2076879921 is a deficient number, since it is larger than the sum of its proper divisors (917814159).

2076879921 is a wasteful number, since it uses less digits than its factorization.

2076879921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45205 (or 45182 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 51.

The square root of 2076879921 is about 45572.7980378646. The cubic root of 2076879921 is about 1275.8622737737.

The spelling of 2076879921 in words is "two billion, seventy-six million, eight hundred seventy-nine thousand, nine hundred twenty-one".