86939545 has 32 divisors (see below), whose sum is σ = 130749696. Its totient is φ = 53913600.

The previous prime is 86939543. The next prime is 86939551. The reversal of 86939545 is 54593968.

It is not a de Polignac number, because 86939545 - 2¹ = 86939543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86939543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92317 + ... + 93253.

It is an arithmetic number, because the mean of its divisors is an integer number (4085928).

Almost surely, 2^86939545 is an apocalyptic number.

It is an amenable number.

86939545 is a deficient number, since it is larger than the sum of its proper divisors (43810151).

86939545 is a wasteful number, since it uses less digits than its factorization.

86939545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201.

The product of its digits is 1166400, while the sum is 49.

The square root of 86939545 is about 9324.1377617451. The cubic root of 86939545 is about 443.0021027608.

The spelling of 86939545 in words is "eighty-six million, nine hundred thirty-nine thousand, five hundred forty-five".