86521014 has 16 divisors (see below), whose sum is σ = 192269040. Its totient is φ = 28840320.

The previous prime is 86521013. The next prime is 86521027. The reversal of 86521014 is 41012568.

86521014 is a `hidden beast` number, since 8 + 652 + 1 + 0 + 1 + 4 = 666.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86521013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801067 + ... + 801174.

It is an arithmetic number, because the mean of its divisors is an integer number (12016815).

Almost surely, 2^86521014 is an apocalyptic number.

86521014 is an abundant number, since it is smaller than the sum of its proper divisors (105748026).

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

86521014 is a wasteful number, since it uses less digits than its factorization.

86521014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1602252 (or 1602246 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 86521014 is about 9301.6672699038. The cubic root of 86521014 is about 442.2900814145.

The spelling of 86521014 in words is "eighty-six million, five hundred twenty-one thousand, fourteen".