77130376327 has 2 divisors, whose sum is σ = 77130376328. Its totient is φ = 77130376326.

The previous prime is 77130376313. The next prime is 77130376361. The reversal of 77130376327 is 72367303177.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77130376327 - 2⁷ = 77130376199 is a prime.

It is a super-3 number, since 3×77130376327³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77130376387) 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, 38565188163 + 38565188164.

It is an arithmetic number, because the mean of its divisors is an integer number (38565188164).

Almost surely, 2^77130376327 is an apocalyptic number.

77130376327 is a deficient number, since it is larger than the sum of its proper divisors (1).

77130376327 is an equidigital number, since it uses as much as digits as its factorization.

77130376327 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777924, while the sum is 46.

The spelling of 77130376327 in words is "seventy-seven billion, one hundred thirty million, three hundred seventy-six thousand, three hundred twenty-seven".