157898002907 has 2 divisors, whose sum is σ = 157898002908. Its totient is φ = 157898002906.

The previous prime is 157898002877. The next prime is 157898002921. The reversal of 157898002907 is 709200898751.

157898002907 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-157898002907 is a prime.

It is not a weakly prime, because it can be changed into another prime (157898022907) 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, 78949001453 + 78949001454.

It is an arithmetic number, because the mean of its divisors is an integer number (78949001454).

Almost surely, 2^157898002907 is an apocalyptic number.

157898002907 is a deficient number, since it is larger than the sum of its proper divisors (1).

157898002907 is an equidigital number, since it uses as much as digits as its factorization.

157898002907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 56.

The spelling of 157898002907 in words is "one hundred fifty-seven billion, eight hundred ninety-eight million, two thousand, nine hundred seven".