2868235947 has 16 divisors (see below), whose sum is σ = 4286846880. Its totient is φ = 1895233536.

The previous prime is 2868235943. The next prime is 2868235963. The reversal of 2868235947 is 7495328682.

2868235947 is a `hidden beast` number, since 28 + 6 + 8 + 23 + 594 + 7 = 666.

It is not a de Polignac number, because 2868235947 - 2² = 2868235943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2868235893 and 2868235902.

It is not an unprimeable number, because it can be changed into a prime (2868235943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466998 + ... + 473099.

It is an arithmetic number, because the mean of its divisors is an integer number (267927930).

Almost surely, 2^2868235947 is an apocalyptic number.

2868235947 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2868235947 is a deficient number, since it is larger than the sum of its proper divisors (1418610933).

2868235947 is a wasteful number, since it uses less digits than its factorization.

2868235947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940219 (or 940213 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 2868235947 is about 53555.9142112241. The cubic root of 2868235947 is about 1420.8174799327.

The spelling of 2868235947 in words is "two billion, eight hundred sixty-eight million, two hundred thirty-five thousand, nine hundred forty-seven".