86331075 has 24 divisors (see below), whose sum is σ = 148942848. Its totient is φ = 44040480.

The previous prime is 86331073. The next prime is 86331097. The reversal of 86331075 is 57013368.

It is a happy number.

It is not a de Polignac number, because 86331075 - 2¹ = 86331073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86331073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23299 + ... + 26748.

It is an arithmetic number, because the mean of its divisors is an integer number (6205952).

Almost surely, 2^86331075 is an apocalyptic number.

86331075 is a deficient number, since it is larger than the sum of its proper divisors (62611773).

86331075 is a wasteful number, since it uses less digits than its factorization.

86331075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50083 (or 50078 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 86331075 is about 9291.4517164973. The cubic root of 86331075 is about 441.9661921413.

The spelling of 86331075 in words is "eighty-six million, three hundred thirty-one thousand, seventy-five".