9671977356 has 24 divisors (see below), whose sum is σ = 22569596784. Its totient is φ = 3223756800.

The previous prime is 9671977351. The next prime is 9671977363. The reversal of 9671977356 is 6537791769.

It is a self number, because there is not a number n which added to its sum of digits gives 9671977356.

It is not an unprimeable number, because it can be changed into a prime (9671977351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240556 + ... + 277868.

It is an arithmetic number, because the mean of its divisors is an integer number (940399866).

Almost surely, 2^9671977356 is an apocalyptic number.

It is an amenable number.

9671977356 is an abundant number, since it is smaller than the sum of its proper divisors (12897619428).

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

9671977356 is a wasteful number, since it uses less digits than its factorization.

9671977356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58921 (or 58919 counting only the distinct ones).

The product of its digits is 15002820, while the sum is 60.

The square root of 9671977356 is about 98346.2117013157. The cubic root of 9671977356 is about 2130.6155403220.

The spelling of 9671977356 in words is "nine billion, six hundred seventy-one million, nine hundred seventy-seven thousand, three hundred fifty-six".