78875436 has 24 divisors (see below), whose sum is σ = 185149440. Its totient is φ = 26133712.

The previous prime is 78875413. The next prime is 78875437. The reversal of 78875436 is 63457887.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (78875437) 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 in 7 ways as a sum of consecutive naturals, for example, 17676 + ... + 21683.

It is an arithmetic number, because the mean of its divisors is an integer number (7714560).

Almost surely, 2^78875436 is an apocalyptic number.

It is an amenable number.

78875436 is an abundant number, since it is smaller than the sum of its proper divisors (106274004).

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

78875436 is a wasteful number, since it uses less digits than its factorization.

78875436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39533 (or 39531 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 78875436 is about 8881.1843804754. The cubic root of 78875436 is about 428.8584032887.

The spelling of 78875436 in words is "seventy-eight million, eight hundred seventy-five thousand, four hundred thirty-six".