277927806468 has 48 divisors (see below), whose sum is σ = 699610302720. Its totient is φ = 85365928704.

The previous prime is 277927806461. The next prime is 277927806493. The reversal of 277927806468 is 864608729772.

277927806468 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×277927806468² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 277927806399 and 277927806408.

It is not an unprimeable number, because it can be changed into a prime (277927806461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1476780 + ... + 1654307.

It is an arithmetic number, because the mean of its divisors is an integer number (14575214640).

Almost surely, 2^277927806468 is an apocalyptic number.

It is an amenable number.

277927806468 is an abundant number, since it is smaller than the sum of its proper divisors (421682496252).

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

277927806468 is a wasteful number, since it uses less digits than its factorization.

277927806468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131676 (or 3131674 counting only the distinct ones).

The product of its (nonzero) digits is 113799168, while the sum is 66.

The spelling of 277927806468 in words is "two hundred seventy-seven billion, nine hundred twenty-seven million, eight hundred six thousand, four hundred sixty-eight".