86525712 has 320 divisors, whose sum is σ = 319979520. Its totient is φ = 21772800.

The previous prime is 86525707. The next prime is 86525713. The reversal of 86525712 is 21752568.

It is a happy number.

86525712 is a `hidden beast` number, since 86 + 5 + 2 + 571 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86525713) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1218637 + ... + 1218707.

It is an arithmetic number, because the mean of its divisors is an integer number (999936).

Almost surely, 2^86525712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86525712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159989760).

86525712 is an abundant number, since it is smaller than the sum of its proper divisors (233453808).

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

86525712 is a wasteful number, since it uses less digits than its factorization.

86525712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 127 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 86525712 is about 9301.9198018474. The cubic root of 86525712 is about 442.2980865649.

The spelling of 86525712 in words is "eighty-six million, five hundred twenty-five thousand, seven hundred twelve".