78885603 has 8 divisors (see below), whose sum is σ = 116867600. Its totient is φ = 52590384.

The previous prime is 78885563. The next prime is 78885613. The reversal of 78885603 is 30658887.

78885603 is a `hidden beast` number, since 7 + 8 + 88 + 560 + 3 = 666.

It is not a de Polignac number, because 78885603 - 2¹³ = 78877411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78885613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1460818 + ... + 1460871.

It is an arithmetic number, because the mean of its divisors is an integer number (14608450).

Almost surely, 2^78885603 is an apocalyptic number.

78885603 is a deficient number, since it is larger than the sum of its proper divisors (37981997).

78885603 is a wasteful number, since it uses less digits than its factorization.

78885603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921698 (or 2921692 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 78885603 is about 8881.7567519044. The cubic root of 78885603 is about 428.8768290339.

The spelling of 78885603 in words is "seventy-eight million, eight hundred eighty-five thousand, six hundred three".