78711629371 has 2 divisors, whose sum is σ = 78711629372. Its totient is φ = 78711629370.

The previous prime is 78711629357. The next prime is 78711629377. The reversal of 78711629371 is 17392611787.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78711629371 - 2¹⁵ = 78711596603 is a prime.

It is not a weakly prime, because it can be changed into another prime (78711629377) 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, 39355814685 + 39355814686.

It is an arithmetic number, because the mean of its divisors is an integer number (39355814686).

Almost surely, 2^78711629371 is an apocalyptic number.

78711629371 is a deficient number, since it is larger than the sum of its proper divisors (1).

78711629371 is an equidigital number, since it uses as much as digits as its factorization.

78711629371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 889056, while the sum is 52.

The spelling of 78711629371 in words is "seventy-eight billion, seven hundred eleven million, six hundred twenty-nine thousand, three hundred seventy-one".