2871798658 has 16 divisors (see below), whose sum is σ = 4370415840. Its totient is φ = 1415144736.

The previous prime is 2871798641. The next prime is 2871798667. The reversal of 2871798658 is 8568971782.

It is a junction number, because it is equal to n+sod(n) for n = 2871798596 and 2871798605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385 + ... + 75787.

It is an arithmetic number, because the mean of its divisors is an integer number (273150990).

Almost surely, 2^2871798658 is an apocalyptic number.

2871798658 is a deficient number, since it is larger than the sum of its proper divisors (1498617182).

2871798658 is a wasteful number, since it uses less digits than its factorization.

2871798658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75681.

The product of its digits is 13547520, while the sum is 61.

The square root of 2871798658 is about 53589.1654907967. The cubic root of 2871798658 is about 1421.4055147316.

The spelling of 2871798658 in words is "two billion, eight hundred seventy-one million, seven hundred ninety-eight thousand, six hundred fifty-eight".