86534905 has 8 divisors (see below), whose sum is σ = 105544584. Its totient is φ = 68092800.

The previous prime is 86534893. The next prime is 86534933. The reversal of 86534905 is 50943568.

It can be written as a sum of positive squares in 4 ways, for example, as 2042041 + 84492864 = 1429^2 + 9192^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86534905 - 2¹¹ = 86532857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141556 + ... + 142165.

It is an arithmetic number, because the mean of its divisors is an integer number (13193073).

Almost surely, 2^86534905 is an apocalyptic number.

It is an amenable number.

86534905 is a deficient number, since it is larger than the sum of its proper divisors (19009679).

86534905 is a wasteful number, since it uses less digits than its factorization.

86534905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283787.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 86534905 is about 9302.4139340281. The cubic root of 86534905 is about 442.3137501259.

The spelling of 86534905 in words is "eighty-six million, five hundred thirty-four thousand, nine hundred five".