86523270 has 16 divisors (see below), whose sum is σ = 207655920. Its totient is φ = 23072864.

The previous prime is 86523259. The next prime is 86523271. The reversal of 86523270 is 7232568.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86523271) 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, 1442025 + ... + 1442084.

It is an arithmetic number, because the mean of its divisors is an integer number (12978495).

Almost surely, 2^86523270 is an apocalyptic number.

86523270 is an abundant number, since it is smaller than the sum of its proper divisors (121132650).

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

86523270 is a wasteful number, since it uses less digits than its factorization.

86523270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2884119.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 86523270 is about 9301.7885376953. The cubic root of 86523270 is about 442.2939255586.

The spelling of 86523270 in words is "eighty-six million, five hundred twenty-three thousand, two hundred seventy".