86447850052 has 24 divisors (see below), whose sum is σ = 153992575352. Its totient is φ = 42454886400.

The previous prime is 86447850043. The next prime is 86447850061. The reversal of 86447850052 is 25005874468.

It is an interprime number because it is at equal distance from previous prime (86447850043) and next prime (86447850061).

It can be written as a sum of positive squares in 4 ways, for example, as 44658678276 + 41789171776 = 211326^2 + 204424^2 .

It is a super-2 number, since 2×86447850052² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86447849978 and 86447850005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543849 + ... + 684592.

Almost surely, 2^86447850052 is an apocalyptic number.

It is an amenable number.

86447850052 is a deficient number, since it is larger than the sum of its proper divisors (67544725300).

86447850052 is a wasteful number, since it uses less digits than its factorization.

86447850052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228759 (or 1228757 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 86447850052 in words is "eighty-six billion, four hundred forty-seven million, eight hundred fifty thousand, fifty-two".