78795385 has 16 divisors (see below), whose sum is σ = 98769600. Its totient is φ = 60284736.

The previous prime is 78795383. The next prime is 78795389. The reversal of 78795385 is 58359787.

It is a cyclic number.

It is not a de Polignac number, because 78795385 - 2¹ = 78795383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78795383) 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 15 ways as a sum of consecutive naturals, for example, 7306 + ... + 14524.

It is an arithmetic number, because the mean of its divisors is an integer number (6173100).

Almost surely, 2^78795385 is an apocalyptic number.

It is an amenable number.

78795385 is a deficient number, since it is larger than the sum of its proper divisors (19974215).

78795385 is a wasteful number, since it uses less digits than its factorization.

78795385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320.

The product of its digits is 2116800, while the sum is 52.

The square root of 78795385 is about 8876.6764613790. The cubic root of 78795385 is about 428.7132708013.

The spelling of 78795385 in words is "seventy-eight million, seven hundred ninety-five thousand, three hundred eighty-five".