86845530 has 32 divisors (see below), whose sum is σ = 208713024. Its totient is φ = 23127296.

The previous prime is 86845529. The next prime is 86845531. The reversal of 86845530 is 3554868.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (86845529) and next prime (86845531).

It is not an unprimeable number, because it can be changed into a prime (86845531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27829 + ... + 30791.

It is an arithmetic number, because the mean of its divisors is an integer number (6522282).

Almost surely, 2^86845530 is an apocalyptic number.

86845530 is an abundant number, since it is smaller than the sum of its proper divisors (121867494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86845530 is a wasteful number, since it uses less digits than its factorization.

86845530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 86845530 is about 9319.0949131340. The cubic root of 86845530 is about 442.8423600932.

The spelling of 86845530 in words is "eighty-six million, eight hundred forty-five thousand, five hundred thirty".