276896880 has 400 divisors, whose sum is σ = 1096492320. Its totient is φ = 64198656.

The previous prime is 276896869. The next prime is 276896887. The reversal of 276896880 is 88698672.

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 (276896887) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1600474 + ... + 1600646.

Almost surely, 2^276896880 is an apocalyptic number.

276896880 is a gapful number since it is divisible by the number (20) 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 276896880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (548246160).

276896880 is an abundant number, since it is smaller than the sum of its proper divisors (819595440).

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

276896880 is a wasteful number, since it uses less digits than its factorization.

276896880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 276896880 is about 16640.2187485622. The cubic root of 276896880 is about 651.7874901795.

The spelling of 276896880 in words is "two hundred seventy-six million, eight hundred ninety-six thousand, eight hundred eighty".