87969710517 has 8 divisors (see below), whose sum is σ = 126315481824. Its totient is φ = 54135206448.

The previous prime is 87969710473. The next prime is 87969710539. The reversal of 87969710517 is 71501796978.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 87969710517 - 2⁶ = 87969710453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87969710557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1127816763 + ... + 1127816840.

It is an arithmetic number, because the mean of its divisors is an integer number (15789435228).

Almost surely, 2^87969710517 is an apocalyptic number.

It is an amenable number.

87969710517 is a deficient number, since it is larger than the sum of its proper divisors (38345771307).

87969710517 is a wasteful number, since it uses less digits than its factorization.

87969710517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2255633619.

The product of its (nonzero) digits is 6667920, while the sum is 60.

The spelling of 87969710517 in words is "eighty-seven billion, nine hundred sixty-nine million, seven hundred ten thousand, five hundred seventeen".