2985688868 has 6 divisors (see below), whose sum is σ = 5224955526. Its totient is φ = 1492844432.

The previous prime is 2985688817. The next prime is 2985688873. The reversal of 2985688868 is 8688865892.

It can be written as a sum of positive squares in only one way, i.e., 2829388864 + 156300004 = 53192^2 + 12502^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2985688798 and 2985688807.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373211105 + ... + 373211112.

It is an arithmetic number, because the mean of its divisors is an integer number (870825921).

Almost surely, 2^2985688868 is an apocalyptic number.

It is an amenable number.

2985688868 is a deficient number, since it is larger than the sum of its proper divisors (2239266658).

2985688868 is a wasteful number, since it uses less digits than its factorization.

2985688868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746422221 (or 746422219 counting only the distinct ones).

The product of its digits is 106168320, while the sum is 68.

The square root of 2985688868 is about 54641.4574110171. The cubic root of 2985688868 is about 1439.9525556642.

The spelling of 2985688868 in words is "two billion, nine hundred eighty-five million, six hundred eighty-eight thousand, eight hundred sixty-eight".