86135692800 has 240 divisors, whose sum is σ = 285021221760. Its totient is φ = 22931005440.

The previous prime is 86135692639. The next prime is 86135692817. The reversal of 86135692800 is 829653168.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 86135692800.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 28529691 + ... + 28532709.

It is an arithmetic number, because the mean of its divisors is an integer number (1187588424).

Almost surely, 2^86135692800 is an apocalyptic number.

86135692800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86135692800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142510610880).

86135692800 is an abundant number, since it is smaller than the sum of its proper divisors (198885528960).

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

86135692800 is a wasteful number, since it uses less digits than its factorization.

86135692800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793 (or 3772 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 86135692800 in words is "eighty-six billion, one hundred thirty-five million, six hundred ninety-two thousand, eight hundred".