155847893983 has 2 divisors, whose sum is σ = 155847893984. Its totient is φ = 155847893982.

The previous prime is 155847893977. The next prime is 155847894101. The reversal of 155847893983 is 389398748551.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155847893983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155847893933) 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, 77923946991 + 77923946992.

It is an arithmetic number, because the mean of its divisors is an integer number (77923946992).

Almost surely, 2^155847893983 is an apocalyptic number.

155847893983 is a deficient number, since it is larger than the sum of its proper divisors (1).

155847893983 is an equidigital number, since it uses as much as digits as its factorization.

155847893983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 261273600, while the sum is 70.

The spelling of 155847893983 in words is "one hundred fifty-five billion, eight hundred forty-seven million, eight hundred ninety-three thousand, nine hundred eighty-three".