776332104724213 has 4 divisors (see below), whose sum is σ = 803102177300940. Its totient is φ = 749562032147488.

The previous prime is 776332104724193. The next prime is 776332104724243. The reversal of 776332104724213 is 312427401233677.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 336375480853764 + 439956623870449 = 18340542^2 + 20975143^2 .

It is a cyclic number.

It is not a de Polignac number, because 776332104724213 - 2¹⁷ = 776332104593141 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 (776332104724243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13385036288320 + ... + 13385036288377.

It is an arithmetic number, because the mean of its divisors is an integer number (200775544325235).

Almost surely, 2^{776332104724213} is an apocalyptic number.

It is an amenable number.

776332104724213 is a deficient number, since it is larger than the sum of its proper divisors (26770072576727).

776332104724213 is a wasteful number, since it uses less digits than its factorization.

776332104724213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26770072576726.

The product of its (nonzero) digits is 7112448, while the sum is 52.

The spelling of 776332104724213 in words is "seven hundred seventy-six trillion, three hundred thirty-two billion, one hundred four million, seven hundred twenty-four thousand, two hundred thirteen".