9277378882641 has 15 divisors (see below), whose sum is σ = 13858841503353. Its totient is φ = 6184900979820.

The previous prime is 9277378882631. The next prime is 9277378882661. The reversal of 9277378882641 is 1462888737729.

It is a happy number.

The square root of 9277378882641 is 3045879.

It is a perfect power (a square), and thus also a powerful number.

9277378882641 is a `hidden beast` number, since 92 + 77 + 378 + 88 + 26 + 4 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-9277378882641 is a prime.

It is a super-2 number, since 2×9277378882641² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9277378882641.

It is not an unprimeable number, because it can be changed into a prime (9277378882631) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 27243696 + ... + 27582126.

Almost surely, 2^{9277378882641} is an apocalyptic number.

9277378882641 is the 3045879-th square number.

9277378882641 is the 1522940-th centered octagonal number.

It is an amenable number.

9277378882641 is a deficient number, since it is larger than the sum of its proper divisors (4581462620712).

9277378882641 is an frugal number, since it uses more digits than its factorization.

9277378882641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676874 (or 338434 counting only the distinct ones).

The product of its digits is 455196672, while the sum is 72.

The spelling of 9277378882641 in words is "nine trillion, two hundred seventy-seven billion, three hundred seventy-eight million, eight hundred eighty-two thousand, six hundred forty-one".