2277978993234 has 64 divisors (see below), whose sum is σ = 5786416281600. Its totient is φ = 650730450384.

The previous prime is 2277978993217. The next prime is 2277978993271. The reversal of 2277978993234 is 4323998797722.

2277978993234 is a `hidden beast` number, since 227 + 7 + 9 + 7 + 89 + 93 + 234 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1492339 + ... + 2604425.

It is an arithmetic number, because the mean of its divisors is an integer number (90412754400).

Almost surely, 2^{2277978993234} is an apocalyptic number.

2277978993234 is an abundant number, since it is smaller than the sum of its proper divisors (3508437288366).

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

2277978993234 is a wasteful number, since it uses less digits than its factorization.

2277978993234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117524 (or 1117518 counting only the distinct ones).

The product of its digits is 576108288, while the sum is 72.

The spelling of 2277978993234 in words is "two trillion, two hundred seventy-seven billion, nine hundred seventy-eight million, nine hundred ninety-three thousand, two hundred thirty-four".