260997876 has 60 divisors (see below), whose sum is σ = 684020260. Its totient is φ = 86780160.

The previous prime is 260997857. The next prime is 260997881. The reversal of 260997876 is 678799062.

It can be written as a sum of positive squares in 2 ways, for example, as 78747876 + 182250000 = 8874^2 + 13500^2 .

It is a super-3 number, since 3×260997876³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 174540 + ... + 176028.

Almost surely, 2^260997876 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 260997876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (342010130).

260997876 is an abundant number, since it is smaller than the sum of its proper divisors (423022384).

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

260997876 is a wasteful number, since it uses less digits than its factorization.

260997876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046 (or 2035 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The square root of 260997876 is about 16155.4286851201. The cubic root of 260997876 is about 639.0659192724.

The spelling of 260997876 in words is "two hundred sixty million, nine hundred ninety-seven thousand, eight hundred seventy-six".