86561343 has 36 divisors (see below), whose sum is σ = 138970104. Its totient is φ = 51876000.

The previous prime is 86561341. The next prime is 86561353. The reversal of 86561343 is 34316568.

It is not a de Polignac number, because 86561343 - 2¹ = 86561341 is a prime.

It is a super-2 number, since 2×86561343² = 14985732203927298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 86561298 and 86561307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86561341) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 109596 + ... + 110382.

Almost surely, 2^86561343 is an apocalyptic number.

86561343 is a deficient number, since it is larger than the sum of its proper divisors (52408761).

86561343 is a wasteful number, since it uses less digits than its factorization.

86561343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 902 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 86561343 is about 9303.8348545103. The cubic root of 86561343 is about 442.3587905260.

It can be divided in two parts, 8656 and 1343, that added together give a palindrome (9999).

The spelling of 86561343 in words is "eighty-six million, five hundred sixty-one thousand, three hundred forty-three".