76827133081 has 2 divisors, whose sum is σ = 76827133082. Its totient is φ = 76827133080.

The previous prime is 76827133069. The next prime is 76827133093. The reversal of 76827133081 is 18033172867.

It is a balanced prime because it is at equal distance from previous prime (76827133069) and next prime (76827133093).

It can be written as a sum of positive squares in only one way, i.e., 75785134681 + 1041998400 = 275291^2 + 32280^2 .

It is an emirp because it is prime and its reverse (18033172867) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76827133081 - 2⁵ = 76827133049 is a prime.

It is a super-2 number, since 2×76827133081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (76827133021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38413566540 + 38413566541.

It is an arithmetic number, because the mean of its divisors is an integer number (38413566541).

Almost surely, 2^76827133081 is an apocalyptic number.

It is an amenable number.

76827133081 is a deficient number, since it is larger than the sum of its proper divisors (1).

76827133081 is an equidigital number, since it uses as much as digits as its factorization.

76827133081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 76827133081 in words is "seventy-six billion, eight hundred twenty-seven million, one hundred thirty-three thousand, eighty-one".