86666953800 has 192 divisors, whose sum is σ = 309394483200. Its totient is φ = 19658246400.

The previous prime is 86666953787. The next prime is 86666953829. The reversal of 86666953800 is 835966668.

It is a super-2 number, since 2×86666953800² (a number of 23 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 471441 + ... + 628959.

It is an arithmetic number, because the mean of its divisors is an integer number (1611429600).

Almost surely, 2^86666953800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86666953800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154697241600).

86666953800 is an abundant number, since it is smaller than the sum of its proper divisors (222727529400).

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

86666953800 is a wasteful number, since it uses less digits than its factorization.

86666953800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157676 (or 157667 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 57.

The spelling of 86666953800 in words is "eighty-six billion, six hundred sixty-six million, nine hundred fifty-three thousand, eight hundred".