776461017413 has 16 divisors (see below), whose sum is σ = 797598938880. Its totient is φ = 755517502656.

The previous prime is 776461017407. The next prime is 776461017443. The reversal of 776461017413 is 314710164677.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 776461017413 - 2²⁴ = 776444240197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (776461017443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 48896831 + ... + 48912707.

It is an arithmetic number, because the mean of its divisors is an integer number (49849933680).

Almost surely, 2^776461017413 is an apocalyptic number.

It is an amenable number.

776461017413 is a deficient number, since it is larger than the sum of its proper divisors (21137921467).

776461017413 is a wasteful number, since it uses less digits than its factorization.

776461017413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21916.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 776461017413 in words is "seven hundred seventy-six billion, four hundred sixty-one million, seventeen thousand, four hundred thirteen".