9776971971342 has 48 divisors (see below), whose sum is σ = 21687690710400. Its totient is φ = 3181494725136.

The previous prime is 9776971971229. The next prime is 9776971971343. The reversal of 9776971971342 is 2431791796779.

9776971971342 is a `hidden beast` number, since 9 + 7 + 7 + 6 + 97 + 197 + 1 + 342 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9776971971343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1937842 + ... + 4827957.

It is an arithmetic number, because the mean of its divisors is an integer number (451826889800).

Almost surely, 2^{9776971971342} is an apocalyptic number.

9776971971342 is an abundant number, since it is smaller than the sum of its proper divisors (11910718739058).

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

9776971971342 is a wasteful number, since it uses less digits than its factorization.

9776971971342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6767717 (or 6767714 counting only the distinct ones).

The product of its digits is 252047376, while the sum is 72.

The spelling of 9776971971342 in words is "nine trillion, seven hundred seventy-six billion, nine hundred seventy-one million, nine hundred seventy-one thousand, three hundred forty-two".