87163947077 has 8 divisors (see below), whose sum is σ = 88115884032. Its totient is φ = 86213754000.

The previous prime is 87163947049. The next prime is 87163947083. The reversal of 87163947077 is 77074936178.

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

It is a cyclic number.

It is not a de Polignac number, because 87163947077 - 2²⁸ = 86895511621 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 (87163947047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335333 + ... + 535514.

It is an arithmetic number, because the mean of its divisors is an integer number (11014485504).

Almost surely, 2^87163947077 is an apocalyptic number.

It is an amenable number.

87163947077 is a deficient number, since it is larger than the sum of its proper divisors (951936955).

87163947077 is a wasteful number, since it uses less digits than its factorization.

87163947077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871939.

The product of its (nonzero) digits is 12446784, while the sum is 59.

The spelling of 87163947077 in words is "eighty-seven billion, one hundred sixty-three million, nine hundred forty-seven thousand, seventy-seven".