8787967957087 has 4 divisors (see below), whose sum is σ = 9586874135016. Its totient is φ = 7989061779160.

The previous prime is 8787967957009. The next prime is 8787967957123. The reversal of 8787967957087 is 7807597697878.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-8787967957087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8787967956989 and 8787967957007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8787967957787) 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, 399453088948 + ... + 399453088969.

It is an arithmetic number, because the mean of its divisors is an integer number (2396718533754).

Almost surely, 2^{8787967957087} is an apocalyptic number.

8787967957087 is a deficient number, since it is larger than the sum of its proper divisors (798906177929).

8787967957087 is a wasteful number, since it uses less digits than its factorization.

8787967957087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798906177928.

The product of its (nonzero) digits is 20910597120, while the sum is 88.

The spelling of 8787967957087 in words is "eight trillion, seven hundred eighty-seven billion, nine hundred sixty-seven million, nine hundred fifty-seven thousand, eighty-seven".