158372872893 has 10 divisors (see below), whose sum is σ = 236581699134. Its totient is φ = 105581915208.

The previous prime is 158372872891. The next prime is 158372872907. The reversal of 158372872893 is 398278273851.

158372872893 is a `hidden beast` number, since 1 + 583 + 7 + 28 + 7 + 28 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 154451358009 + 3921514884 = 393003^2 + 62622^2 .

It is not a de Polignac number, because 158372872893 - 2¹ = 158372872891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158372872893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158372872891) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 977610246 + ... + 977610407.

Almost surely, 2^158372872893 is an apocalyptic number.

It is an amenable number.

158372872893 is a deficient number, since it is larger than the sum of its proper divisors (78208826241).

158372872893 is an equidigital number, since it uses as much as digits as its factorization.

158372872893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955220665 (or 1955220656 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The spelling of 158372872893 in words is "one hundred fifty-eight billion, three hundred seventy-two million, eight hundred seventy-two thousand, eight hundred ninety-three".