157863932851 has 2 divisors, whose sum is σ = 157863932852. Its totient is φ = 157863932850.

The previous prime is 157863932813. The next prime is 157863932857. The reversal of 157863932851 is 158239368751.

It is a happy number.

157863932851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157863932851 is a prime.

It is not a weakly prime, because it can be changed into another prime (157863932857) 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, 78931966425 + 78931966426.

It is an arithmetic number, because the mean of its divisors is an integer number (78931966426).

Almost surely, 2^157863932851 is an apocalyptic number.

157863932851 is a deficient number, since it is larger than the sum of its proper divisors (1).

157863932851 is an equidigital number, since it uses as much as digits as its factorization.

157863932851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10886400, while the sum is 58.

The spelling of 157863932851 in words is "one hundred fifty-seven billion, eight hundred sixty-three million, nine hundred thirty-two thousand, eight hundred fifty-one".