158143686487 has 2 divisors, whose sum is σ = 158143686488. Its totient is φ = 158143686486.

The previous prime is 158143686469. The next prime is 158143686517. The reversal of 158143686487 is 784686341851.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158143686487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158143686287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79071843243 + 79071843244.

It is an arithmetic number, because the mean of its divisors is an integer number (79071843244).

Almost surely, 2^158143686487 is an apocalyptic number.

158143686487 is a deficient number, since it is larger than the sum of its proper divisors (1).

158143686487 is an equidigital number, since it uses as much as digits as its factorization.

158143686487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30965760, while the sum is 61.

The spelling of 158143686487 in words is "one hundred fifty-eight billion, one hundred forty-three million, six hundred eighty-six thousand, four hundred eighty-seven".