260085657 has 16 divisors (see below), whose sum is σ = 374347008. Its totient is φ = 159671040.

The previous prime is 260085647. The next prime is 260085689. The reversal of 260085657 is 756580062.

It is a happy number.

260085657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 260085657 - 2⁶ = 260085593 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (260085647) 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, 9073 + ... + 24545.

It is an arithmetic number, because the mean of its divisors is an integer number (23396688).

Almost surely, 2^260085657 is an apocalyptic number.

It is an amenable number.

260085657 is a deficient number, since it is larger than the sum of its proper divisors (114261351).

260085657 is a wasteful number, since it uses less digits than its factorization.

260085657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15920.

The product of its (nonzero) digits is 100800, while the sum is 39.

The square root of 260085657 is about 16127.1713886844. The cubic root of 260085657 is about 638.3205127250.

The spelling of 260085657 in words is "two hundred sixty million, eighty-five thousand, six hundred fifty-seven".