276988964 has 60 divisors (see below), whose sum is σ = 572210688. Its totient is φ = 117306000.

The previous prime is 276988949. The next prime is 276988979. The reversal of 276988964 is 469889672.

It is an interprime number because it is at equal distance from previous prime (276988949) and next prime (276988979).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1450109 + ... + 1450299.

Almost surely, 2^276988964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276988964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286105344).

276988964 is an abundant number, since it is smaller than the sum of its proper divisors (295221724).

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

276988964 is a wasteful number, since it uses less digits than its factorization.

276988964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 351 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 59.

The square root of 276988964 is about 16642.9854293032. The cubic root of 276988964 is about 651.8597343391.

The spelling of 276988964 in words is "two hundred seventy-six million, nine hundred eighty-eight thousand, nine hundred sixty-four".