8587157872157 has 4 divisors (see below), whose sum is σ = 8587207795680. Its totient is φ = 8587107948636.

The previous prime is 8587157872151. The next prime is 8587157872159. The reversal of 8587157872157 is 7512787517858.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8587157872157 - 2⁴ = 8587157872141 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 (8587157872151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24702857 + ... + 25048062.

It is an arithmetic number, because the mean of its divisors is an integer number (2146801948920).

Almost surely, 2^{8587157872157} is an apocalyptic number.

It is an amenable number.

8587157872157 is a deficient number, since it is larger than the sum of its proper divisors (49923523).

8587157872157 is a wasteful number, since it uses less digits than its factorization.

8587157872157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49923522.

The product of its digits is 307328000, while the sum is 71.

The spelling of 8587157872157 in words is "eight trillion, five hundred eighty-seven billion, one hundred fifty-seven million, eight hundred seventy-two thousand, one hundred fifty-seven".