86819132 has 12 divisors (see below), whose sum is σ = 159930120. Its totient is φ = 41124816.

The previous prime is 86819129. The next prime is 86819137. The reversal of 86819132 is 23191868.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86819137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571103 + ... + 571254.

It is an arithmetic number, because the mean of its divisors is an integer number (13327510).

Almost surely, 2^86819132 is an apocalyptic number.

It is an amenable number.

86819132 is a deficient number, since it is larger than the sum of its proper divisors (73110988).

86819132 is a wasteful number, since it uses less digits than its factorization.

86819132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142380 (or 1142378 counting only the distinct ones).

The product of its digits is 20736, while the sum is 38.

The square root of 86819132 is about 9317.6784662275. The cubic root of 86819132 is about 442.7974860228.

The spelling of 86819132 in words is "eighty-six million, eight hundred nineteen thousand, one hundred thirty-two".