78276353 has 4 divisors (see below), whose sum is σ = 78372288. Its totient is φ = 78180420.

The previous prime is 78276311. The next prime is 78276379. The reversal of 78276353 is 35367287.

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-78276353 is a prime.

It is a super-2 number, since 2×78276353² = 12254374877961218, which contains 22 as substring.

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 78276353.

It is not an unprimeable number, because it can be changed into a prime (78279353) 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, 46733 + ... + 48378.

It is an arithmetic number, because the mean of its divisors is an integer number (19593072).

Almost surely, 2^78276353 is an apocalyptic number.

It is an amenable number.

78276353 is a deficient number, since it is larger than the sum of its proper divisors (95935).

78276353 is an equidigital number, since it uses as much as digits as its factorization.

78276353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95934.

The product of its digits is 211680, while the sum is 41.

The square root of 78276353 is about 8847.3924407138. The cubic root of 78276353 is about 427.7698725749.

The spelling of 78276353 in words is "seventy-eight million, two hundred seventy-six thousand, three hundred fifty-three".