260887081 has 16 divisors (see below), whose sum is σ = 337993600. Its totient is φ = 195550848.

The previous prime is 260887051. The next prime is 260887087. The reversal of 260887081 is 180788062.

260887081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 260887081 - 2¹⁷ = 260756009 is a prime.

It is a super-2 number, since 2×260887081² = 136124138065401122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260887087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73716 + ... + 77173.

It is an arithmetic number, because the mean of its divisors is an integer number (21124600).

Almost surely, 2^260887081 is an apocalyptic number.

It is an amenable number.

260887081 is a deficient number, since it is larger than the sum of its proper divisors (77106519).

260887081 is a wasteful number, since it uses less digits than its factorization.

260887081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150928.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 260887081 is about 16151.9992880139. Note that the first 3 decimals coincide. The cubic root of 260887081 is about 638.9754775020.

The spelling of 260887081 in words is "two hundred sixty million, eight hundred eighty-seven thousand, eighty-one".