87288238340 has 12 divisors (see below), whose sum is σ = 183305300556. Its totient is φ = 34915295328.

The previous prime is 87288238321. The next prime is 87288238351. The reversal of 87288238340 is 4383288278.

It can be written as a sum of positive squares in 2 ways, for example, as 10908966916 + 76379271424 = 104446^2 + 276368^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2182205939 + ... + 2182205978.

It is an arithmetic number, because the mean of its divisors is an integer number (15275441713).

Almost surely, 2^87288238340 is an apocalyptic number.

It is an amenable number.

87288238340 is an abundant number, since it is smaller than the sum of its proper divisors (96017062216).

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

87288238340 is a wasteful number, since it uses less digits than its factorization.

87288238340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4364411926 (or 4364411924 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 53.

The spelling of 87288238340 in words is "eighty-seven billion, two hundred eighty-eight million, two hundred thirty-eight thousand, three hundred forty".