86541674 has 8 divisors (see below), whose sum is σ = 129898020. Its totient is φ = 43242336.

The previous prime is 86541643. The next prime is 86541691. The reversal of 86541674 is 47614568.

It can be written as a sum of positive squares in 2 ways, for example, as 58905625 + 27636049 = 7675^2 + 5257^2 .

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

It is a super-2 number, since 2×86541674² = 14978922677444552, which contains 22 as substring.

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, 10229 + ... + 16664.

Almost surely, 2^86541674 is an apocalyptic number.

86541674 is a deficient number, since it is larger than the sum of its proper divisors (43356346).

86541674 is a wasteful number, since it uses less digits than its factorization.

86541674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28504.

The product of its digits is 161280, while the sum is 41.

The square root of 86541674 is about 9302.7777572078. Note that the first 4 decimals coincide. The cubic root of 86541674 is about 442.3252828275.

The spelling of 86541674 in words is "eighty-six million, five hundred forty-one thousand, six hundred seventy-four".