260578007655 has 16 divisors (see below), whose sum is σ = 476485499904. Its totient is φ = 119121374880.

The previous prime is 260578007653. The next prime is 260578007693. The reversal of 260578007655 is 556700875062.

It is a happy number.

It is not a de Polignac number, because 260578007655 - 2¹ = 260578007653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260578007598 and 260578007607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260578007653) 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, 1240847551 + ... + 1240847760.

It is an arithmetic number, because the mean of its divisors is an integer number (29780343744).

Almost surely, 2^260578007655 is an apocalyptic number.

260578007655 is a deficient number, since it is larger than the sum of its proper divisors (215907492249).

260578007655 is a wasteful number, since it uses less digits than its factorization.

260578007655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481695326.

The product of its (nonzero) digits is 3528000, while the sum is 51.

The spelling of 260578007655 in words is "two hundred sixty billion, five hundred seventy-eight million, seven thousand, six hundred fifty-five".