77678000131183 has 2 divisors, whose sum is σ = 77678000131184. Its totient is φ = 77678000131182.

The previous prime is 77678000131181. The next prime is 77678000131231. The reversal of 77678000131183 is 38113100087677.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77678000131183 - 2¹ = 77678000131181 is a prime.

Together with 77678000131181, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 77678000131183.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77678000131181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38839000065591 + 38839000065592.

It is an arithmetic number, because the mean of its divisors is an integer number (38839000065592).

Almost surely, 2^{77678000131183} is an apocalyptic number.

77678000131183 is a deficient number, since it is larger than the sum of its proper divisors (1).

77678000131183 is an equidigital number, since it uses as much as digits as its factorization.

77678000131183 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 52.

The spelling of 77678000131183 in words is "seventy-seven trillion, six hundred seventy-eight billion, one hundred thirty-one thousand, one hundred eighty-three".