86420612 has 12 divisors (see below), whose sum is σ = 153308316. Its totient is φ = 42618240.

The previous prime is 86420611. The next prime is 86420623. The reversal of 86420612 is 21602468.

It can be written as a sum of positive squares in 2 ways, for example, as 75238276 + 11182336 = 8674^2 + 3344^2 .

It is not an unprimeable number, because it can be changed into a prime (86420611) 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, 147689 + ... + 148272.

It is an arithmetic number, because the mean of its divisors is an integer number (12775693).

Almost surely, 2^86420612 is an apocalyptic number.

It is an amenable number.

86420612 is a deficient number, since it is larger than the sum of its proper divisors (66887704).

86420612 is a wasteful number, since it uses less digits than its factorization.

86420612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296038 (or 296036 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 86420612 is about 9296.2687138443. The cubic root of 86420612 is about 442.1189322533.

The spelling of 86420612 in words is "eighty-six million, four hundred twenty thousand, six hundred twelve".