86801216 has 14 divisors (see below), whose sum is σ = 172246290. Its totient is φ = 43400576.

The previous prime is 86801207. The next prime is 86801237. The reversal of 86801216 is 61210868.

It can be written as a sum of positive squares in only one way, i.e., 68823616 + 17977600 = 8296^2 + 4240^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678071 + ... + 678198.

Almost surely, 2^86801216 is an apocalyptic number.

It is an amenable number.

86801216 is a deficient number, since it is larger than the sum of its proper divisors (85445074).

86801216 is a wasteful number, since it uses less digits than its factorization.

86801216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356281 (or 1356271 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 86801216 is about 9316.7170183493. The cubic root of 86801216 is about 442.7670253577.

The spelling of 86801216 in words is "eighty-six million, eight hundred one thousand, two hundred sixteen".