277942954364 has 6 divisors (see below), whose sum is σ = 486400170144. Its totient is φ = 138971477180.

The previous prime is 277942954321. The next prime is 277942954379. The reversal of 277942954364 is 463459249772.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 277942954297 and 277942954306.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 34742869292 + ... + 34742869299.

It is an arithmetic number, because the mean of its divisors is an integer number (81066695024).

Almost surely, 2^277942954364 is an apocalyptic number.

It is an amenable number.

277942954364 is a deficient number, since it is larger than the sum of its proper divisors (208457215780).

277942954364 is a wasteful number, since it uses less digits than its factorization.

277942954364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69485738595 (or 69485738593 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 62.

The spelling of 277942954364 in words is "two hundred seventy-seven billion, nine hundred forty-two million, nine hundred fifty-four thousand, three hundred sixty-four".