260294391787 has 32 divisors (see below), whose sum is σ = 290639352960. Its totient is φ = 231851980800.

The previous prime is 260294391761. The next prime is 260294391811. The reversal of 260294391787 is 787193492062.

It is a cyclic number.

It is not a de Polignac number, because 260294391787 - 2¹⁵ = 260294359019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260294371787) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32940537 + ... + 32948437.

It is an arithmetic number, because the mean of its divisors is an integer number (9082479780).

Almost surely, 2^260294391787 is an apocalyptic number.

260294391787 is a deficient number, since it is larger than the sum of its proper divisors (30344961173).

260294391787 is a wasteful number, since it uses less digits than its factorization.

260294391787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8823.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The spelling of 260294391787 in words is "two hundred sixty billion, two hundred ninety-four million, three hundred ninety-one thousand, seven hundred eighty-seven".