88287661386 has 24 divisors (see below), whose sum is σ = 193711327680. Its totient is φ = 29056698216.

The previous prime is 88287661381. The next prime is 88287661391. The reversal of 88287661386 is 68316678288.

88287661386 is a `hidden beast` number, since 8 + 8 + 2 + 8 + 7 + 6 + 613 + 8 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (88287661381) and next prime (88287661391).

It is a super-2 number, since 2×88287661386² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (88287661381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31042060 + ... + 31044903.

It is an arithmetic number, because the mean of its divisors is an integer number (8071305320).

Almost surely, 2^88287661386 is an apocalyptic number.

88287661386 is an abundant number, since it is smaller than the sum of its proper divisors (105423666294).

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

88287661386 is a wasteful number, since it uses less digits than its factorization.

88287661386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62087050 (or 62087047 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 63.

The spelling of 88287661386 in words is "eighty-eight billion, two hundred eighty-seven million, six hundred sixty-one thousand, three hundred eighty-six".