86734215 has 24 divisors (see below), whose sum is σ = 155525760. Its totient is φ = 44662464.

The previous prime is 86734181. The next prime is 86734231. The reversal of 86734215 is 51243768.

It is not a de Polignac number, because 86734215 - 2¹⁴ = 86717831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86734215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31927 + ... + 34536.

It is an arithmetic number, because the mean of its divisors is an integer number (6480240).

Almost surely, 2^86734215 is an apocalyptic number.

86734215 is a deficient number, since it is larger than the sum of its proper divisors (68791545).

86734215 is a wasteful number, since it uses less digits than its factorization.

86734215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66503 (or 66500 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 86734215 is about 9313.1205833491. The cubic root of 86734215 is about 442.6530735376.

The spelling of 86734215 in words is "eighty-six million, seven hundred thirty-four thousand, two hundred fifteen".