162438436987 has 2 divisors, whose sum is σ = 162438436988. Its totient is φ = 162438436986.

The previous prime is 162438436981. The next prime is 162438437041. The reversal of 162438436987 is 789634834261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 162438436987 - 2³⁵ = 128078698619 is a prime.

It is not a weakly prime, because it can be changed into another prime (162438436981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81219218493 + 81219218494.

It is an arithmetic number, because the mean of its divisors is an integer number (81219218494).

Almost surely, 2^162438436987 is an apocalyptic number.

162438436987 is a deficient number, since it is larger than the sum of its proper divisors (1).

162438436987 is an equidigital number, since it uses as much as digits as its factorization.

162438436987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41803776, while the sum is 61.

The spelling of 162438436987 in words is "one hundred sixty-two billion, four hundred thirty-eight million, four hundred thirty-six thousand, nine hundred eighty-seven".