873157887 has 20 divisors (see below), whose sum is σ = 1490683216. Its totient is φ = 498947040.

The previous prime is 873157877. The next prime is 873157903. The reversal of 873157887 is 788751378.

It is not a de Polignac number, because 873157887 - 2⁸ = 873157631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (873157867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 769414 + ... + 770547.

Almost surely, 2^873157887 is an apocalyptic number.

873157887 is a deficient number, since it is larger than the sum of its proper divisors (617525329).

873157887 is a wasteful number, since it uses less digits than its factorization.

873157887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539980 (or 1539971 counting only the distinct ones).

The product of its digits is 2634240, while the sum is 54.

The square root of 873157887 is about 29549.2451172615. The cubic root of 873157887 is about 955.7939130674.

The spelling of 873157887 in words is "eight hundred seventy-three million, one hundred fifty-seven thousand, eight hundred eighty-seven".