260778555086 has 8 divisors (see below), whose sum is σ = 447048951600. Its totient is φ = 111762237888.

The previous prime is 260778555067. The next prime is 260778555097. The reversal of 260778555086 is 680555877062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9313519811 + ... + 9313519838.

It is an arithmetic number, because the mean of its divisors is an integer number (55881118950).

Almost surely, 2^260778555086 is an apocalyptic number.

260778555086 is a deficient number, since it is larger than the sum of its proper divisors (186270396514).

260778555086 is a wasteful number, since it uses less digits than its factorization.

260778555086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18627039658.

The product of its (nonzero) digits is 28224000, while the sum is 59.

The spelling of 260778555086 in words is "two hundred sixty billion, seven hundred seventy-eight million, five hundred fifty-five thousand, eighty-six".