86566742 has 8 divisors (see below), whose sum is σ = 129965256. Its totient is φ = 43244992.

The previous prime is 86566741. The next prime is 86566757. The reversal of 86566742 is 24766568.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 86566693 and 86566702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86566741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16283 + ... + 20934.

It is an arithmetic number, because the mean of its divisors is an integer number (16245657).

Almost surely, 2^86566742 is an apocalyptic number.

86566742 is a deficient number, since it is larger than the sum of its proper divisors (43398514).

86566742 is a wasteful number, since it uses less digits than its factorization.

86566742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38382.

The product of its digits is 483840, while the sum is 44.

The square root of 86566742 is about 9304.1249991603. The cubic root of 86566742 is about 442.3679872620.

The spelling of 86566742 in words is "eighty-six million, five hundred sixty-six thousand, seven hundred forty-two".