87068193588 has 54 divisors (see below), whose sum is σ = 221420455074. Its totient is φ = 28847252448.

The previous prime is 87068193581. The next prime is 87068193637. The reversal of 87068193588 is 88539186078.

It can be written as a sum of positive squares in only one way, i.e., 85055056164 + 2013137424 = 291642^2 + 44868^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87068193581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23284623 + ... + 23288361.

Almost surely, 2^87068193588 is an apocalyptic number.

It is an amenable number.

87068193588 is an abundant number, since it is smaller than the sum of its proper divisors (134352261486).

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

87068193588 is a wasteful number, since it uses less digits than its factorization.

87068193588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7661 (or 3917 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 63.

The spelling of 87068193588 in words is "eighty-seven billion, sixty-eight million, one hundred ninety-three thousand, five hundred eighty-eight".