76735061761 has 2 divisors, whose sum is σ = 76735061762. Its totient is φ = 76735061760.

The previous prime is 76735061747. The next prime is 76735061791. The reversal of 76735061761 is 16716053767.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72476716225 + 4258345536 = 269215^2 + 65256^2 .

It is a cyclic number.

It is not a de Polignac number, because 76735061761 - 2⁵ = 76735061729 is a prime.

It is a super-2 number, since 2×76735061761² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76735061731) 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, 38367530880 + 38367530881.

It is an arithmetic number, because the mean of its divisors is an integer number (38367530881).

Almost surely, 2^76735061761 is an apocalyptic number.

It is an amenable number.

76735061761 is a deficient number, since it is larger than the sum of its proper divisors (1).

76735061761 is an equidigital number, since it uses as much as digits as its factorization.

76735061761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1111320, while the sum is 49.

The spelling of 76735061761 in words is "seventy-six billion, seven hundred thirty-five million, sixty-one thousand, seven hundred sixty-one".