9652121678 has 48 divisors (see below), whose sum is σ = 15492247056. Its totient is φ = 4507184640.

The previous prime is 9652121669. The next prime is 9652121681. The reversal of 9652121678 is 8761212569.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8172248 + ... + 8173428.

It is an arithmetic number, because the mean of its divisors is an integer number (322755147).

Almost surely, 2^9652121678 is an apocalyptic number.

9652121678 is a deficient number, since it is larger than the sum of its proper divisors (5840125378).

9652121678 is a wasteful number, since it uses less digits than its factorization.

9652121678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 1368 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 9652121678 is about 98245.2119851141. The cubic root of 9652121678 is about 2129.1565557073.

The spelling of 9652121678 in words is "nine billion, six hundred fifty-two million, one hundred twenty-one thousand, six hundred seventy-eight".