87807193158 has 32 divisors (see below), whose sum is σ = 176270220000. Its totient is φ = 29159905536.

The previous prime is 87807193157. The next prime is 87807193169. The reversal of 87807193158 is 85139170878.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 87807193098 and 87807193107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87807193151) 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, 2480568 + ... + 2515716.

It is an arithmetic number, because the mean of its divisors is an integer number (5508444375).

Almost surely, 2^87807193158 is an apocalyptic number.

87807193158 is an abundant number, since it is smaller than the sum of its proper divisors (88463026842).

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

87807193158 is a wasteful number, since it uses less digits than its factorization.

87807193158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36696.

The product of its (nonzero) digits is 3386880, while the sum is 57.

The spelling of 87807193158 in words is "eighty-seven billion, eight hundred seven million, one hundred ninety-three thousand, one hundred fifty-eight".