86561652 has 12 divisors (see below), whose sum is σ = 201977216. Its totient is φ = 28853880.

The previous prime is 86561647. The next prime is 86561653. The reversal of 86561652 is 25616568.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 86561652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86561653) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3606724 + ... + 3606747.

Almost surely, 2^86561652 is an apocalyptic number.

It is an amenable number.

86561652 is an abundant number, since it is smaller than the sum of its proper divisors (115415564).

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

86561652 is a wasteful number, since it uses less digits than its factorization.

86561652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7213478 (or 7213476 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 86561652 is about 9303.8514605512. The cubic root of 86561652 is about 442.3593168915.

The spelling of 86561652 in words is "eighty-six million, five hundred sixty-one thousand, six hundred fifty-two".