87175685377 has 16 divisors (see below), whose sum is σ = 96047040960. Its totient is φ = 78465945600.

The previous prime is 87175685341. The next prime is 87175685419. The reversal of 87175685377 is 77358657178.

It is a cyclic number.

It is not a de Polignac number, because 87175685377 - 2¹⁵ = 87175652609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87175685777) 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 15 ways as a sum of consecutive naturals, for example, 350649 + ... + 545257.

It is an arithmetic number, because the mean of its divisors is an integer number (6002940060).

Almost surely, 2^87175685377 is an apocalyptic number.

It is an amenable number.

87175685377 is a deficient number, since it is larger than the sum of its proper divisors (8871355583).

87175685377 is a wasteful number, since it uses less digits than its factorization.

87175685377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195024.

The product of its digits is 69148800, while the sum is 64.

The spelling of 87175685377 in words is "eighty-seven billion, one hundred seventy-five million, six hundred eighty-five thousand, three hundred seventy-seven".