277968789345 has 16 divisors (see below), whose sum is σ = 478961606592. Its totient is φ = 136846173120.

The previous prime is 277968789337. The next prime is 277968789359. The reversal of 277968789345 is 543987869772.

It is not a de Polignac number, because 277968789345 - 2³ = 277968789337 is a prime.

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, 712740291 + ... + 712740680.

It is an arithmetic number, because the mean of its divisors is an integer number (29935100412).

Almost surely, 2^277968789345 is an apocalyptic number.

It is an amenable number.

277968789345 is a deficient number, since it is larger than the sum of its proper divisors (200992817247).

277968789345 is a wasteful number, since it uses less digits than its factorization.

277968789345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425480992.

The product of its digits is 1280240640, while the sum is 75.

The spelling of 277968789345 in words is "two hundred seventy-seven billion, nine hundred sixty-eight million, seven hundred eighty-nine thousand, three hundred forty-five".