86975542 has 4 divisors (see below), whose sum is σ = 130463316. Its totient is φ = 43487770.

The previous prime is 86975533. The next prime is 86975579. The reversal of 86975542 is 24557968.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 86975492 and 86975501.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21743884 + ... + 21743887.

It is an arithmetic number, because the mean of its divisors is an integer number (32615829).

Almost surely, 2^86975542 is an apocalyptic number.

86975542 is a deficient number, since it is larger than the sum of its proper divisors (43487774).

86975542 is a wasteful number, since it uses less digits than its factorization.

86975542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43487773.

The product of its digits is 604800, while the sum is 46.

The square root of 86975542 is about 9326.0678745117. The cubic root of 86975542 is about 443.0632354567.

The spelling of 86975542 in words is "eighty-six million, nine hundred seventy-five thousand, five hundred forty-two".