76413817477 has 2 divisors, whose sum is σ = 76413817478. Its totient is φ = 76413817476.

The previous prime is 76413817451. The next prime is 76413817481. The reversal of 76413817477 is 77471831467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70859245636 + 5554571841 = 266194^2 + 74529^2 .

It is a cyclic number.

It is not a de Polignac number, because 76413817477 - 2¹⁵ = 76413784709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76413857477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38206908738 + 38206908739.

It is an arithmetic number, because the mean of its divisors is an integer number (38206908739).

Almost surely, 2^76413817477 is an apocalyptic number.

It is an amenable number.

76413817477 is a deficient number, since it is larger than the sum of its proper divisors (1).

76413817477 is an equidigital number, since it uses as much as digits as its factorization.

76413817477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5531904, while the sum is 55.

The spelling of 76413817477 in words is "seventy-six billion, four hundred thirteen million, eight hundred seventeen thousand, four hundred seventy-seven".