86347378 has 8 divisors (see below), whose sum is σ = 139484268. Its totient is φ = 39852624.

The previous prime is 86347351. The next prime is 86347379. The reversal of 86347378 is 87374368.

It can be written as a sum of positive squares in 2 ways, for example, as 83667609 + 2679769 = 9147^2 + 1637^2 .

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

It is not an unprimeable number, because it can be changed into a prime (86347379) 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, 1660501 + ... + 1660552.

Almost surely, 2^86347378 is an apocalyptic number.

86347378 is a deficient number, since it is larger than the sum of its proper divisors (53136890).

86347378 is a wasteful number, since it uses less digits than its factorization.

86347378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321068.

The product of its digits is 677376, while the sum is 46.

The square root of 86347378 is about 9292.3289868579. The cubic root of 86347378 is about 441.9940110980.

The spelling of 86347378 in words is "eighty-six million, three hundred forty-seven thousand, three hundred seventy-eight".