78763085 has 4 divisors (see below), whose sum is σ = 94515708. Its totient is φ = 63010464.

The previous prime is 78763051. The next prime is 78763093. The reversal of 78763085 is 58036787.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58036787 = 523 ⋅110969.

It can be written as a sum of positive squares in 2 ways, for example, as 19811401 + 58951684 = 4451^2 + 7678^2 .

It is a cyclic number.

It is not a de Polignac number, because 78763085 - 2⁸ = 78762829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7876304 + ... + 7876313.

It is an arithmetic number, because the mean of its divisors is an integer number (23628927).

Almost surely, 2^78763085 is an apocalyptic number.

It is an amenable number.

78763085 is a deficient number, since it is larger than the sum of its proper divisors (15752623).

78763085 is a wasteful number, since it uses less digits than its factorization.

78763085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15752622.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 78763085 is about 8874.8569002548. The cubic root of 78763085 is about 428.6546830587.

The spelling of 78763085 in words is "seventy-eight million, seven hundred sixty-three thousand, eighty-five".