77130376051 has 2 divisors, whose sum is σ = 77130376052. Its totient is φ = 77130376050.

The previous prime is 77130376049. The next prime is 77130376069. The reversal of 77130376051 is 15067303177.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77130376051 - 2¹ = 77130376049 is a prime.

Together with 77130376049, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 77130375995 and 77130376013.

It is not a weakly prime, because it can be changed into another prime (77130376951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38565188025 + 38565188026.

It is an arithmetic number, because the mean of its divisors is an integer number (38565188026).

Almost surely, 2^77130376051 is an apocalyptic number.

77130376051 is a deficient number, since it is larger than the sum of its proper divisors (1).

77130376051 is an equidigital number, since it uses as much as digits as its factorization.

77130376051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92610, while the sum is 40.

The spelling of 77130376051 in words is "seventy-seven billion, one hundred thirty million, three hundred seventy-six thousand, fifty-one".