260933174778 has 16 divisors (see below), whose sum is σ = 539861741280. Its totient is φ = 83978492976.

The previous prime is 260933174717. The next prime is 260933174833. The reversal of 260933174778 is 877471339062.

It is a happy number.

260933174778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×260933174778² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749807800 + ... + 749808147.

It is an arithmetic number, because the mean of its divisors is an integer number (33741358830).

Almost surely, 2^260933174778 is an apocalyptic number.

260933174778 is an abundant number, since it is smaller than the sum of its proper divisors (278928566502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260933174778 is a wasteful number, since it uses less digits than its factorization.

260933174778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499615981.

The product of its (nonzero) digits is 10668672, while the sum is 57.

It can be divided in two parts, 260933 and 174778, that added together give a triangular number (435711 = T₉₃₃).

The spelling of 260933174778 in words is "two hundred sixty billion, nine hundred thirty-three million, one hundred seventy-four thousand, seven hundred seventy-eight".