776261368047 has 12 divisors (see below), whose sum is σ = 1137661289240. Its totient is φ = 470461434960.

The previous prime is 776261368039. The next prime is 776261368073. The reversal of 776261368047 is 740863162677.

It is not a de Polignac number, because 776261368047 - 2³ = 776261368039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776261368147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1069230172 + ... + 1069230897.

Almost surely, 2^776261368047 is an apocalyptic number.

776261368047 is a deficient number, since it is larger than the sum of its proper divisors (361399921193).

776261368047 is a wasteful number, since it uses less digits than its factorization.

776261368047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2138461094 (or 2138461083 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 57.

The spelling of 776261368047 in words is "seven hundred seventy-six billion, two hundred sixty-one million, three hundred sixty-eight thousand, forty-seven".