120178887847 has 2 divisors, whose sum is σ = 120178887848. Its totient is φ = 120178887846.

The previous prime is 120178887809. The next prime is 120178887859. The reversal of 120178887847 is 748788871021.

It is a strong prime.

It is an emirp because it is prime and its reverse (748788871021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120178887847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120178887547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60089443923 + 60089443924.

It is an arithmetic number, because the mean of its divisors is an integer number (60089443924).

Almost surely, 2^120178887847 is an apocalyptic number.

120178887847 is a deficient number, since it is larger than the sum of its proper divisors (1).

120178887847 is an equidigital number, since it uses as much as digits as its factorization.

120178887847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11239424, while the sum is 61.

The spelling of 120178887847 in words is "one hundred twenty billion, one hundred seventy-eight million, eight hundred eighty-seven thousand, eight hundred forty-seven".