2107996776 has 144 divisors (see below), whose sum is σ = 6108984960. Its totient is φ = 655966080.

The previous prime is 2107996769. The next prime is 2107996789. The reversal of 2107996776 is 6776997012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1876551 + ... + 1877673.

Almost surely, 2^2107996776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2107996776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3054492480).

2107996776 is an abundant number, since it is smaller than the sum of its proper divisors (4000988184).

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

2107996776 is a wasteful number, since it uses less digits than its factorization.

2107996776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 2000376, while the sum is 54.

The square root of 2107996776 is about 45912.9260230711. The cubic root of 2107996776 is about 1282.2025830172.

It can be divided in two parts, 21079 and 96776, that added together give a triangular number (117855 = T₄₈₅).

The spelling of 2107996776 in words is "two billion, one hundred seven million, nine hundred ninety-six thousand, seven hundred seventy-six".