8663802972 has 48 divisors (see below), whose sum is σ = 22061673984. Its totient is φ = 2624400000.

The previous prime is 8663802949. The next prime is 8663803019. The reversal of 8663802972 is 2792083668.

It is a super-2 number, since 2×8663802972² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385197 + ... + 407067.

It is an arithmetic number, because the mean of its divisors is an integer number (459618208).

Almost surely, 2^8663802972 is an apocalyptic number.

It is an amenable number.

8663802972 is an abundant number, since it is smaller than the sum of its proper divisors (13397871012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8663802972 is a wasteful number, since it uses less digits than its factorization.

8663802972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24890 (or 24888 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 8663802972 is about 93079.5518467939. The cubic root of 8663802972 is about 2053.8537836310.

The spelling of 8663802972 in words is "eight billion, six hundred sixty-three million, eight hundred two thousand, nine hundred seventy-two".