86520006 has 12 divisors (see below), whose sum is σ = 187460052. Its totient is φ = 28839996.

The previous prime is 86520001. The next prime is 86520013. The reversal of 86520006 is 60002568.

86520006 is a `hidden beast` number, since 8 + 652 + 0 + 0 + 0 + 6 = 666.

It is a super-2 number, since 2×86520006² = 14971422876480072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86520001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2403316 + ... + 2403351.

It is an arithmetic number, because the mean of its divisors is an integer number (15621671).

Almost surely, 2^86520006 is an apocalyptic number.

86520006 is an abundant number, since it is smaller than the sum of its proper divisors (100940046).

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

86520006 is a wasteful number, since it uses less digits than its factorization.

86520006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4806675 (or 4806672 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 86520006 is about 9301.6130859115. The cubic root of 86520006 is about 442.2883637965.

The spelling of 86520006 in words is "eighty-six million, five hundred twenty thousand, six".