277972970913 has 24 divisors (see below), whose sum is σ = 454240908576. Its totient is φ = 168468465600.

The previous prime is 277972970881. The next prime is 277972970917. The reversal of 277972970913 is 319079279772.

It is not a de Polignac number, because 277972970913 - 2⁵ = 277972970881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (277972970917) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 51993768 + ... + 51999113.

It is an arithmetic number, because the mean of its divisors is an integer number (18926704524).

Almost surely, 2^277972970913 is an apocalyptic number.

It is an amenable number.

277972970913 is a deficient number, since it is larger than the sum of its proper divisors (176267937663).

277972970913 is a wasteful number, since it uses less digits than its factorization.

277972970913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103992907 (or 103992895 counting only the distinct ones).

The product of its (nonzero) digits is 21003948, while the sum is 63.

The spelling of 277972970913 in words is "two hundred seventy-seven billion, nine hundred seventy-two million, nine hundred seventy thousand, nine hundred thirteen".