86708542 has 4 divisors (see below), whose sum is σ = 130062816. Its totient is φ = 43354270.

The previous prime is 86708539. The next prime is 86708543. The reversal of 86708542 is 24580768.

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 = 86708495 and 86708504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86708543) 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 as a sum of consecutive naturals, namely, 21677134 + ... + 21677137.

It is an arithmetic number, because the mean of its divisors is an integer number (32515704).

Almost surely, 2^86708542 is an apocalyptic number.

86708542 is a deficient number, since it is larger than the sum of its proper divisors (43354274).

86708542 is a wasteful number, since it uses less digits than its factorization.

86708542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43354273.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 86708542 is about 9311.7421570832. The cubic root of 86708542 is about 442.6093946818.

The spelling of 86708542 in words is "eighty-six million, seven hundred eight thousand, five hundred forty-two".