276677856 has 576 divisors, whose sum is σ = 1109541888. Its totient is φ = 65691648.

The previous prime is 276677837. The next prime is 276677857. The reversal of 276677856 is 658776672.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276677857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12029461 + ... + 12029483.

It is an arithmetic number, because the mean of its divisors is an integer number (1926288).

Almost surely, 2^276677856 is an apocalyptic number.

276677856 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276677856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554770944).

276677856 is an abundant number, since it is smaller than the sum of its proper divisors (832864032).

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

276677856 is a wasteful number, since it uses less digits than its factorization.

276677856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 65 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 54.

The square root of 276677856 is about 16633.6362831463. The cubic root of 276677856 is about 651.6155913366.

The spelling of 276677856 in words is "two hundred seventy-six million, six hundred seventy-seven thousand, eight hundred fifty-six".