158487879894 has 32 divisors (see below), whose sum is σ = 319069004640. Its totient is φ = 52480576512.

The previous prime is 158487879889. The next prime is 158487879899. The reversal of 158487879894 is 498978784851.

It is an interprime number because it is at equal distance from previous prime (158487879889) and next prime (158487879899).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158487879899) 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, 4607142 + ... + 4641414.

It is an arithmetic number, because the mean of its divisors is an integer number (9970906395).

Almost surely, 2^158487879894 is an apocalyptic number.

158487879894 is an abundant number, since it is smaller than the sum of its proper divisors (160581124746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158487879894 is a wasteful number, since it uses less digits than its factorization.

158487879894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39344.

The product of its digits is 1300561920, while the sum is 78.

The spelling of 158487879894 in words is "one hundred fifty-eight billion, four hundred eighty-seven million, eight hundred seventy-nine thousand, eight hundred ninety-four".