86495557212 has 192 divisors, whose sum is σ = 238513766400. Its totient is φ = 27030931200.

The previous prime is 86495557121. The next prime is 86495557229. The reversal of 86495557212 is 21275559468.

86495557212 is a `hidden beast` number, since 8 + 6 + 4 + 9 + 55 + 572 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 123388462 + ... + 123389162.

It is an arithmetic number, because the mean of its divisors is an integer number (1242259200).

Almost surely, 2^86495557212 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 86495557212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119256883200).

86495557212 is an abundant number, since it is smaller than the sum of its proper divisors (152018209188).

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

86495557212 is a wasteful number, since it uses less digits than its factorization.

86495557212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273 (or 1265 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The spelling of 86495557212 in words is "eighty-six billion, four hundred ninety-five million, five hundred fifty-seven thousand, two hundred twelve".