2106773870 has 16 divisors (see below), whose sum is σ = 3793378608. Its totient is φ = 842446080.

The previous prime is 2106773813. The next prime is 2106773873. The reversal of 2106773870 is 783776012.

It is a super-3 number, since 3×2106773870³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106773873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2462 + ... + 64958.

It is an arithmetic number, because the mean of its divisors is an integer number (237086163).

Almost surely, 2^2106773870 is an apocalyptic number.

2106773870 is a deficient number, since it is larger than the sum of its proper divisors (1686604738).

2106773870 is a wasteful number, since it uses less digits than its factorization.

2106773870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65875.

The product of its (nonzero) digits is 98784, while the sum is 41.

The square root of 2106773870 is about 45899.6064253279. The cubic root of 2106773870 is about 1281.9545882443.

The spelling of 2106773870 in words is "two billion, one hundred six million, seven hundred seventy-three thousand, eight hundred seventy".