260780077786 has 8 divisors (see below), whose sum is σ = 391178280960. Its totient is φ = 130387317468.

The previous prime is 260780077739. The next prime is 260780077793. The reversal of 260780077786 is 687770087062.

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

It is a self number, because there is not a number n which added to its sum of digits gives 260780077786.

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, 1238746 + ... + 1433893.

It is an arithmetic number, because the mean of its divisors is an integer number (48897285120).

Almost surely, 2^260780077786 is an apocalyptic number.

260780077786 is a deficient number, since it is larger than the sum of its proper divisors (130398203174).

260780077786 is a wasteful number, since it uses less digits than its factorization.

260780077786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721428.

The product of its (nonzero) digits is 11063808, while the sum is 58.

The spelling of 260780077786 in words is "two hundred sixty billion, seven hundred eighty million, seventy-seven thousand, seven hundred eighty-six".