86611542 has 8 divisors (see below), whose sum is σ = 173223096. Its totient is φ = 28870512.

The previous prime is 86611541. The next prime is 86611559. The reversal of 86611542 is 24511668.

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

86611542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86611541) 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, 7217623 + ... + 7217634.

It is an arithmetic number, because the mean of its divisors is an integer number (21652887).

Almost surely, 2^86611542 is an apocalyptic number.

86611542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86611542 is a wasteful number, since it uses less digits than its factorization.

86611542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14435262.

The product of its digits is 11520, while the sum is 33.

The square root of 86611542 is about 9306.5322220470. The cubic root of 86611542 is about 442.4442854939. Note that the first 3 decimals are identical.

It can be divided in two parts, 86611 and 542, that added together give a triangular number (87153 = T₄₁₇).

The spelling of 86611542 in words is "eighty-six million, six hundred eleven thousand, five hundred forty-two".