86378482 has 4 divisors (see below), whose sum is σ = 129567726. Its totient is φ = 43189240.

The previous prime is 86378437. The next prime is 86378489. The reversal of 86378482 is 28487368.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 61168041 + 25210441 = 7821^2 + 5021^2 .

It is a super-2 number, since 2×86378482² = 14922484305248648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86378489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21594619 + ... + 21594622.

Almost surely, 2^86378482 is an apocalyptic number.

86378482 is a deficient number, since it is larger than the sum of its proper divisors (43189244).

86378482 is a wasteful number, since it uses less digits than its factorization.

86378482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43189243.

The product of its digits is 516096, while the sum is 46.

The square root of 86378482 is about 9294.0024747145. The cubic root of 86378482 is about 442.0470763314.

Subtracting from 86378482 its sum of digits (46), we obtain a square (86378436 = 9294²).

The spelling of 86378482 in words is "eighty-six million, three hundred seventy-eight thousand, four hundred eighty-two".