78583297 has 16 divisors (see below), whose sum is σ = 90357120. Its totient is φ = 67737600.

The previous prime is 78583291. The next prime is 78583313. The reversal of 78583297 is 79238587.

It is a cyclic number.

It is not a de Polignac number, because 78583297 - 2¹⁵ = 78550529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 78583297.

It is not an unprimeable number, because it can be changed into a prime (78583291) 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 15 ways as a sum of consecutive naturals, for example, 15297 + ... + 19777.

It is an arithmetic number, because the mean of its divisors is an integer number (5647320).

Almost surely, 2^78583297 is an apocalyptic number.

It is an amenable number.

78583297 is a deficient number, since it is larger than the sum of its proper divisors (11773823).

78583297 is a wasteful number, since it uses less digits than its factorization.

78583297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584.

The product of its digits is 846720, while the sum is 49.

The square root of 78583297 is about 8864.7220486601. The cubic root of 78583297 is about 428.3282793827.

The spelling of 78583297 in words is "seventy-eight million, five hundred eighty-three thousand, two hundred ninety-seven".