88868213540 has 24 divisors (see below), whose sum is σ = 186687348792. Its totient is φ = 35535075840.

The previous prime is 88868213527. The next prime is 88868213557. The reversal of 88868213540 is 4531286888.

It can be written as a sum of positive squares in 4 ways, for example, as 16163562496 + 72704651044 = 127136^2 + 269638^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 703301 + ... + 819980.

It is an arithmetic number, because the mean of its divisors is an integer number (7778639533).

Almost surely, 2^88868213540 is an apocalyptic number.

It is an amenable number.

88868213540 is an abundant number, since it is smaller than the sum of its proper divisors (97819135252).

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

88868213540 is a wasteful number, since it uses less digits than its factorization.

88868213540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526207 (or 1526205 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 53.

The spelling of 88868213540 in words is "eighty-eight billion, eight hundred sixty-eight million, two hundred thirteen thousand, five hundred forty".