8636866072 has 16 divisors (see below), whose sum is σ = 16752542400. Its totient is φ = 4169521440.

The previous prime is 8636866067. The next prime is 8636866141. The reversal of 8636866072 is 2706686368.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18613704 + ... + 18614167.

It is an arithmetic number, because the mean of its divisors is an integer number (1047033900).

Almost surely, 2^8636866072 is an apocalyptic number.

It is an amenable number.

8636866072 is a deficient number, since it is larger than the sum of its proper divisors (8115676328).

8636866072 is a wasteful number, since it uses less digits than its factorization.

8636866072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37227906 (or 37227902 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 52.

The square root of 8636866072 is about 92934.7409314730. The cubic root of 8636866072 is about 2051.7230068654.

The spelling of 8636866072 in words is "eight billion, six hundred thirty-six million, eight hundred sixty-six thousand, seventy-two".