158409479859 has 16 divisors (see below), whose sum is σ = 215323789824. Its totient is φ = 103561207200.

The previous prime is 158409479827. The next prime is 158409479861. The reversal of 158409479859 is 958974904851.

It is not a de Polignac number, because 158409479859 - 2⁵ = 158409479827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158409479793 and 158409479802.

It is not an unprimeable number, because it can be changed into a prime (158409479659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1247019 + ... + 1368164.

It is an arithmetic number, because the mean of its divisors is an integer number (13457736864).

Almost surely, 2^158409479859 is an apocalyptic number.

158409479859 is a deficient number, since it is larger than the sum of its proper divisors (56914309965).

158409479859 is a wasteful number, since it uses less digits than its factorization.

158409479859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615578.

The product of its (nonzero) digits is 130636800, while the sum is 69.

The spelling of 158409479859 in words is "one hundred fifty-eight billion, four hundred nine million, four hundred seventy-nine thousand, eight hundred fifty-nine".