78872606 has 8 divisors (see below), whose sum is σ = 118577304. Its totient is φ = 39346840.

The previous prime is 78872593. The next prime is 78872609. The reversal of 78872606 is 60627887.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78872609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43625 + ... + 45396.

It is an arithmetic number, because the mean of its divisors is an integer number (14822163).

Almost surely, 2^78872606 is an apocalyptic number.

78872606 is a deficient number, since it is larger than the sum of its proper divisors (39704698).

78872606 is a wasteful number, since it uses less digits than its factorization.

78872606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89466.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 78872606 is about 8881.0250534496. The cubic root of 78872606 is about 428.8532741726.

The spelling of 78872606 in words is "seventy-eight million, eight hundred seventy-two thousand, six hundred six".