86715542 has 8 divisors (see below), whose sum is σ = 130120032. Its totient is φ = 43342200.

The previous prime is 86715493. The next prime is 86715547. The reversal of 86715542 is 24551768.

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 = 86715496 and 86715505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86715547) 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, 1292 + ... + 13232.

It is an arithmetic number, because the mean of its divisors is an integer number (16265004).

Almost surely, 2^86715542 is an apocalyptic number.

86715542 is a deficient number, since it is larger than the sum of its proper divisors (43404490).

86715542 is a wasteful number, since it uses less digits than its factorization.

86715542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15574.

The product of its digits is 67200, while the sum is 38.

The square root of 86715542 is about 9312.1180190116. The cubic root of 86715542 is about 442.6213050131.

The spelling of 86715542 in words is "eighty-six million, seven hundred fifteen thousand, five hundred forty-two".