76757529977 has 2 divisors, whose sum is σ = 76757529978. Its totient is φ = 76757529976.

The previous prime is 76757529967. The next prime is 76757530021. The reversal of 76757529977 is 77992575767.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44076483136 + 32681046841 = 209944^2 + 180779^2 .

It is a cyclic number.

It is not a de Polignac number, because 76757529977 - 2⁶ = 76757529913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76757529977.

It is not a weakly prime, because it can be changed into another prime (76757529967) 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 as a sum of consecutive naturals, namely, 38378764988 + 38378764989.

It is an arithmetic number, because the mean of its divisors is an integer number (38378764989).

Almost surely, 2^76757529977 is an apocalyptic number.

It is an amenable number.

76757529977 is a deficient number, since it is larger than the sum of its proper divisors (1).

76757529977 is an equidigital number, since it uses as much as digits as its factorization.

76757529977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 408410100, while the sum is 71.

The spelling of 76757529977 in words is "seventy-six billion, seven hundred fifty-seven million, five hundred twenty-nine thousand, nine hundred seventy-seven".