86788612 has 6 divisors (see below), whose sum is σ = 151880078. Its totient is φ = 43394304.

The previous prime is 86788601. The next prime is 86788627. The reversal of 86788612 is 21688768.

It can be written as a sum of positive squares in only one way, i.e., 80568576 + 6220036 = 8976^2 + 2494^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10848573 + ... + 10848580.

Almost surely, 2^86788612 is an apocalyptic number.

It is an amenable number.

86788612 is a deficient number, since it is larger than the sum of its proper divisors (65091466).

86788612 is a wasteful number, since it uses less digits than its factorization.

86788612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21697157 (or 21697155 counting only the distinct ones).

The product of its digits is 258048, while the sum is 46.

The square root of 86788612 is about 9316.0405752659. The cubic root of 86788612 is about 442.7455936083.

The spelling of 86788612 in words is "eighty-six million, seven hundred eighty-eight thousand, six hundred twelve".