86147770 has 8 divisors (see below), whose sum is σ = 155066004. Its totient is φ = 34459104.

The previous prime is 86147759. The next prime is 86147771. The reversal of 86147770 is 7774168.

It can be written as a sum of positive squares in 2 ways, for example, as 85396081 + 751689 = 9241^2 + 867^2 .

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 (86147771) by changing a digit.

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, 4307379 + ... + 4307398.

Almost surely, 2^86147770 is an apocalyptic number.

86147770 is a deficient number, since it is larger than the sum of its proper divisors (68918234).

86147770 is a wasteful number, since it uses less digits than its factorization.

86147770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8614784.

The product of its (nonzero) digits is 65856, while the sum is 40.

The square root of 86147770 is about 9281.5823004486. The cubic root of 86147770 is about 441.6531645728.

It can be divided in two parts, 8614 and 7770, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 86147770 in words is "eighty-six million, one hundred forty-seven thousand, seven hundred seventy".