78883432 has 8 divisors (see below), whose sum is σ = 147906450. Its totient is φ = 39441712.

The previous prime is 78883391. The next prime is 78883433. The reversal of 78883432 is 23438887.

It can be written as a sum of positive squares in only one way, i.e., 77686596 + 1196836 = 8814^2 + 1094^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (78883433) 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, 4930207 + ... + 4930222.

Almost surely, 2^78883432 is an apocalyptic number.

It is an amenable number.

78883432 is a deficient number, since it is larger than the sum of its proper divisors (69023018).

78883432 is a wasteful number, since it uses less digits than its factorization.

78883432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9860435 (or 9860431 counting only the distinct ones).

The product of its digits is 258048, while the sum is 43.

The square root of 78883432 is about 8881.6345342510. The cubic root of 78883432 is about 428.8728946441.

The spelling of 78883432 in words is "seventy-eight million, eight hundred eighty-three thousand, four hundred thirty-two".