86938533 has 12 divisors (see below), whose sum is σ = 136994208. Its totient is φ = 52689960.

The previous prime is 86938529. The next prime is 86938571. The reversal of 86938533 is 33583968.

86938533 is a `hidden beast` number, since 86 + 9 + 38 + 533 = 666.

It is not a de Polignac number, because 86938533 - 2² = 86938529 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86938513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 438985 + ... + 439182.

It is an arithmetic number, because the mean of its divisors is an integer number (11416184).

Almost surely, 2^86938533 is an apocalyptic number.

It is an amenable number.

86938533 is a deficient number, since it is larger than the sum of its proper divisors (50055675).

86938533 is a wasteful number, since it uses less digits than its factorization.

86938533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878184 (or 878181 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 86938533 is about 9324.0834938347. The cubic root of 86938533 is about 443.0003838657. Note that the first 3 decimals are identical.

The spelling of 86938533 in words is "eighty-six million, nine hundred thirty-eight thousand, five hundred thirty-three".