86541650 has 48 divisors (see below), whose sum is σ = 174447168. Its totient is φ = 31752000.

The previous prime is 86541643. The next prime is 86541691. The reversal of 86541650 is 5614568.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86541650.

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, 136835 + ... + 137465.

It is an arithmetic number, because the mean of its divisors is an integer number (3634316).

Almost surely, 2^86541650 is an apocalyptic number.

86541650 is an abundant number, since it is smaller than the sum of its proper divisors (87905518).

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

86541650 is a wasteful number, since it uses less digits than its factorization.

86541650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 86541650 is about 9302.7764672704. The cubic root of 86541650 is about 442.3252419385.

The spelling of 86541650 in words is "eighty-six million, five hundred forty-one thousand, six hundred fifty".