87664054275 has 336 divisors, whose sum is σ = 200006198784. Its totient is φ = 37186698240.

The previous prime is 87664054271. The next prime is 87664054277. The reversal of 87664054275 is 57245046678.

It is a happy number.

It is not a de Polignac number, because 87664054275 - 2² = 87664054271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87664054271) by changing a digit.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 180008082 + ... + 180008568.

It is an arithmetic number, because the mean of its divisors is an integer number (595256544).

Almost surely, 2^87664054275 is an apocalyptic number.

87664054275 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

87664054275 is an abundant number, since it is smaller than the sum of its proper divisors (112342144509).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87664054275 is a wasteful number, since it uses less digits than its factorization.

87664054275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 54.

The spelling of 87664054275 in words is "eighty-seven billion, six hundred sixty-four million, fifty-four thousand, two hundred seventy-five".