87163710281277 has 16 divisors (see below), whose sum is σ = 137400922611840. Its totient is φ = 48090322913472.

The previous prime is 87163710281269. The next prime is 87163710281299. The reversal of 87163710281277 is 77218201736178.

It is not a de Polignac number, because 87163710281277 - 2³ = 87163710281269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87163710281277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87163712281277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71562979918 + ... + 71562981135.

It is an arithmetic number, because the mean of its divisors is an integer number (8587557663240).

Almost surely, 2^{87163710281277} is an apocalyptic number.

87163710281277 is a gapful number since it is divisible by the number (87) formed by its first and last digit.

It is an amenable number.

87163710281277 is a deficient number, since it is larger than the sum of its proper divisors (50237212330563).

87163710281277 is a wasteful number, since it uses less digits than its factorization.

87163710281277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143125961092.

The product of its (nonzero) digits is 11063808, while the sum is 60.

The spelling of 87163710281277 in words is "eighty-seven trillion, one hundred sixty-three billion, seven hundred ten million, two hundred eighty-one thousand, two hundred seventy-seven".