9712078636 has 12 divisors (see below), whose sum is σ = 18303532912. Its totient is φ = 4482497808.

The previous prime is 9712078619. The next prime is 9712078679. The reversal of 9712078636 is 6368702179.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 9712078636.

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, 93385320 + ... + 93385423.

Almost surely, 2^9712078636 is an apocalyptic number.

It is an amenable number.

9712078636 is a deficient number, since it is larger than the sum of its proper divisors (8591454276).

9712078636 is a wasteful number, since it uses less digits than its factorization.

9712078636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186770760 (or 186770758 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 49.

The square root of 9712078636 is about 98549.8789243295. The cubic root of 9712078636 is about 2133.5560834358.

The spelling of 9712078636 in words is "nine billion, seven hundred twelve million, seventy-eight thousand, six hundred thirty-six".