78875434 has 8 divisors (see below), whose sum is σ = 129068928. Its totient is φ = 35852460.

The previous prime is 78875413. The next prime is 78875437. The reversal of 78875434 is 43457887.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1792602 + ... + 1792645.

It is an arithmetic number, because the mean of its divisors is an integer number (16133616).

Almost surely, 2^78875434 is an apocalyptic number.

78875434 is a deficient number, since it is larger than the sum of its proper divisors (50193494).

78875434 is a wasteful number, since it uses less digits than its factorization.

78875434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585260.

The product of its digits is 752640, while the sum is 46.

The square root of 78875434 is about 8881.1842678778. The cubic root of 78875434 is about 428.8583996639.

The spelling of 78875434 in words is "seventy-eight million, eight hundred seventy-five thousand, four hundred thirty-four".