276242876 has 96 divisors (see below), whose sum is σ = 619272192. Its totient is φ = 104924160.

The previous prime is 276242821. The next prime is 276242887. The reversal of 276242876 is 678242672.

It is a happy number.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1146116 + ... + 1146356.

It is an arithmetic number, because the mean of its divisors is an integer number (6450752).

Almost surely, 2^276242876 is an apocalyptic number.

276242876 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 276242876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309636096).

276242876 is an abundant number, since it is smaller than the sum of its proper divisors (343029316).

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

276242876 is a wasteful number, since it uses less digits than its factorization.

276242876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379 (or 377 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 276242876 is about 16620.5558270474. Note that the first 3 decimals coincide. The cubic root of 276242876 is about 651.2739323632.

The spelling of 276242876 in words is "two hundred seventy-six million, two hundred forty-two thousand, eight hundred seventy-six".