87696566280789 has 4 divisors (see below), whose sum is σ = 116928755041056. Its totient is φ = 58464377520524.

The previous prime is 87696566280751. The next prime is 87696566280833. The reversal of 87696566280789 is 98708266569678.

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 87696566280789 - 2¹⁶ = 87696566215253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87696566280289) 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, 14616094380129 + ... + 14616094380134.

It is an arithmetic number, because the mean of its divisors is an integer number (29232188760264).

Almost surely, 2^{87696566280789} is an apocalyptic number.

It is an amenable number.

87696566280789 is a deficient number, since it is larger than the sum of its proper divisors (29232188760267).

87696566280789 is a wasteful number, since it uses less digits than its factorization.

87696566280789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29232188760266.

The product of its (nonzero) digits is 26336378880, while the sum is 87.

The spelling of 87696566280789 in words is "eighty-seven trillion, six hundred ninety-six billion, five hundred sixty-six million, two hundred eighty thousand, seven hundred eighty-nine".