78086353 has 4 divisors (see below), whose sum is σ = 78816240. Its totient is φ = 77356468.

The previous prime is 78086347. The next prime is 78086363. The reversal of 78086353 is 35368087.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78086353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78086363) 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, 364783 + ... + 364996.

It is an arithmetic number, because the mean of its divisors is an integer number (19704060).

Almost surely, 2^78086353 is an apocalyptic number.

It is an amenable number.

78086353 is a deficient number, since it is larger than the sum of its proper divisors (729887).

78086353 is a wasteful number, since it uses less digits than its factorization.

78086353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729886.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 78086353 is about 8836.6482899344. The cubic root of 78086353 is about 427.4234839060.

It can be divided in two parts, 7808 and 6353, that added together give a square (14161 = 119²).

The spelling of 78086353 in words is "seventy-eight million, eighty-six thousand, three hundred fifty-three".