9872632412 has 6 divisors (see below), whose sum is σ = 17277106728. Its totient is φ = 4936316204.

The previous prime is 9872632391. The next prime is 9872632421. The reversal of 9872632412 is 2142362789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1234079048 + ... + 1234079055.

It is an arithmetic number, because the mean of its divisors is an integer number (2879517788).

Almost surely, 2^9872632412 is an apocalyptic number.

It is an amenable number.

9872632412 is a deficient number, since it is larger than the sum of its proper divisors (7404474316).

9872632412 is a wasteful number, since it uses less digits than its factorization.

9872632412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468158107 (or 2468158105 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 9872632412 is about 99361.1212295836. The cubic root of 9872632412 is about 2145.2487408667.

The spelling of 9872632412 in words is "nine billion, eight hundred seventy-two million, six hundred thirty-two thousand, four hundred twelve".