87950172127 has 4 divisors (see below), whose sum is σ = 88016852880. Its totient is φ = 87883491376.

The previous prime is 87950172073. The next prime is 87950172187. The reversal of 87950172127 is 72127105978.

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

It is a cyclic number.

It is not a de Polignac number, because 87950172127 - 2¹¹ = 87950170079 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 (87950172187) 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, 33338398 + ... + 33341035.

It is an arithmetic number, because the mean of its divisors is an integer number (22004213220).

Almost surely, 2^87950172127 is an apocalyptic number.

87950172127 is a deficient number, since it is larger than the sum of its proper divisors (66680753).

87950172127 is a wasteful number, since it uses less digits than its factorization.

87950172127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66680752.

The product of its (nonzero) digits is 493920, while the sum is 49.

The spelling of 87950172127 in words is "eighty-seven billion, nine hundred fifty million, one hundred seventy-two thousand, one hundred twenty-seven".