2100002877 has 24 divisors (see below), whose sum is σ = 3670595136. Its totient is φ = 1129412736.

The previous prime is 2100002867. The next prime is 2100002893. The reversal of 2100002877 is 7782000012.

It is not a de Polignac number, because 2100002877 - 2¹¹ = 2100000829 is a prime.

2100002877 is a modest number, since divided by 2877 gives 21 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2100002877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100002857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 979323 + ... + 981464.

It is an arithmetic number, because the mean of its divisors is an integer number (152941464).

Almost surely, 2^2100002877 is an apocalyptic number.

It is an amenable number.

2100002877 is a deficient number, since it is larger than the sum of its proper divisors (1570592259).

2100002877 is a wasteful number, since it uses less digits than its factorization.

2100002877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1960817 (or 1960814 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 2100002877 is about 45825.7883401912. The cubic root of 2100002877 is about 1280.5797497850.

Adding to 2100002877 its reverse (7782000012), we get a palindrome (9882002889).

The spelling of 2100002877 in words is "two billion, one hundred million, two thousand, eight hundred seventy-seven".