9476940931778 has 16 divisors (see below), whose sum is σ = 15138615615480. Its totient is φ = 4433958080256.

The previous prime is 9476940931741. The next prime is 9476940931781. The reversal of 9476940931778 is 8771390496749.

It can be written as a sum of positive squares in 4 ways, for example, as 9366641887009 + 110299044769 = 3060497^2 + 332113^2 .

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 7 ways as a sum of consecutive naturals, for example, 805582433 + ... + 805594196.

Almost surely, 2^{9476940931778} is an apocalyptic number.

9476940931778 is a deficient number, since it is larger than the sum of its proper divisors (5661674683702).

9476940931778 is a wasteful number, since it uses less digits than its factorization.

9476940931778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611176821.

The product of its (nonzero) digits is 576108288, while the sum is 74.

The spelling of 9476940931778 in words is "nine trillion, four hundred seventy-six billion, nine hundred forty million, nine hundred thirty-one thousand, seven hundred seventy-eight".