86511742 has 8 divisors (see below), whose sum is σ = 137401056. Its totient is φ = 40711392.

The previous prime is 86511739. The next prime is 86511767. The reversal of 86511742 is 24711568.

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

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 2544463 = 86511742 / (8 + 6 + 5 + 1 + 1 + 7 + 4 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 86511698 and 86511707.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272198 + ... + 1272265.

It is an arithmetic number, because the mean of its divisors is an integer number (17175132).

Almost surely, 2^86511742 is an apocalyptic number.

86511742 is a deficient number, since it is larger than the sum of its proper divisors (50889314).

86511742 is a wasteful number, since it uses less digits than its factorization.

86511742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544482.

The product of its digits is 13440, while the sum is 34.

The square root of 86511742 is about 9301.1688512789. The cubic root of 86511742 is about 442.2742815529.

The spelling of 86511742 in words is "eighty-six million, five hundred eleven thousand, seven hundred forty-two".