2159877147 has 32 divisors (see below), whose sum is σ = 2972593728. Its totient is φ = 1394405376.

The previous prime is 2159877131. The next prime is 2159877157. The reversal of 2159877147 is 7417789512.

It is not a de Polignac number, because 2159877147 - 2⁴ = 2159877131 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2159877147.

It is not an unprimeable number, because it can be changed into a prime (2159877157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6408963 + ... + 6409299.

It is an arithmetic number, because the mean of its divisors is an integer number (92893554).

Almost surely, 2^2159877147 is an apocalyptic number.

2159877147 is a deficient number, since it is larger than the sum of its proper divisors (812716581).

2159877147 is a wasteful number, since it uses less digits than its factorization.

2159877147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799.

The product of its digits is 987840, while the sum is 51.

The square root of 2159877147 is about 46474.4784478535. The cubic root of 2159877147 is about 1292.6363062614.

The spelling of 2159877147 in words is "two billion, one hundred fifty-nine million, eight hundred seventy-seven thousand, one hundred forty-seven".