87748128167 has 16 divisors (see below), whose sum is σ = 103779973440. Its totient is φ = 72592300032.

The previous prime is 87748128157. The next prime is 87748128179. The reversal of 87748128167 is 76182184778.

It is a happy number.

It is not a de Polignac number, because 87748128167 - 2⁴ = 87748128151 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 (87748128137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480353 + ... + 637365.

It is an arithmetic number, because the mean of its divisors is an integer number (6486248340).

Almost surely, 2^87748128167 is an apocalyptic number.

87748128167 is a deficient number, since it is larger than the sum of its proper divisors (16031845273).

87748128167 is a wasteful number, since it uses less digits than its factorization.

87748128167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159802.

The product of its digits is 8429568, while the sum is 59.

The spelling of 87748128167 in words is "eighty-seven billion, seven hundred forty-eight million, one hundred twenty-eight thousand, one hundred sixty-seven".