2147122720776 has 64 divisors (see below), whose sum is σ = 5859888091200. Its totient is φ = 650187820800.

The previous prime is 2147122720741. The next prime is 2147122720861. The reversal of 2147122720776 is 6770272217412.

It is a super-2 number, since 2×2147122720776² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2468455 + ... + 3222966.

It is an arithmetic number, because the mean of its divisors is an integer number (91560751425).

Almost surely, 2^{2147122720776} is an apocalyptic number.

It is an amenable number.

2147122720776 is an abundant number, since it is smaller than the sum of its proper divisors (3712765370424).

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

2147122720776 is a wasteful number, since it uses less digits than its factorization.

2147122720776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5692870 (or 5692866 counting only the distinct ones).

The product of its (nonzero) digits is 921984, while the sum is 48.

The spelling of 2147122720776 in words is "two trillion, one hundred forty-seven billion, one hundred twenty-two million, seven hundred twenty thousand, seven hundred seventy-six".