76044811477 has 2 divisors, whose sum is σ = 76044811478. Its totient is φ = 76044811476.

The previous prime is 76044811463. The next prime is 76044811487. The reversal of 76044811477 is 77411844067.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72573127236 + 3471684241 = 269394^2 + 58921^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76044811477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76044811477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (76044811457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38022405738 + 38022405739.

It is an arithmetic number, because the mean of its divisors is an integer number (38022405739).

Almost surely, 2^76044811477 is an apocalyptic number.

It is an amenable number.

76044811477 is a deficient number, since it is larger than the sum of its proper divisors (1).

76044811477 is an equidigital number, since it uses as much as digits as its factorization.

76044811477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 76044811477 in words is "seventy-six billion, forty-four million, eight hundred eleven thousand, four hundred seventy-seven".