78502276322 has 18 divisors (see below), whose sum is σ = 119577598497. Its totient is φ = 38652224424.

The previous prime is 78502276313. The next prime is 78502276331. The reversal of 78502276322 is 22367220587.

It is an interprime number because it is at equal distance from previous prime (78502276313) and next prime (78502276331).

It can be written as a sum of positive squares in 2 ways, for example, as 69791600761 + 8710675561 = 264181^2 + 93331^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=198119.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 26546468 + ... + 26549424.

Almost surely, 2^78502276322 is an apocalyptic number.

78502276322 is a deficient number, since it is larger than the sum of its proper divisors (41075322175).

78502276322 is an frugal number, since it uses more digits than its factorization.

78502276322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6050 (or 3026 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 78502276322 in words is "seventy-eight billion, five hundred two million, two hundred seventy-six thousand, three hundred twenty-two".