78050263 has 4 divisors (see below), whose sum is σ = 78664960. Its totient is φ = 77435568.

The previous prime is 78050261. The next prime is 78050267. The reversal of 78050263 is 36205087.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 78050263 - 2¹ = 78050261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78050261) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 307158 + ... + 307411.

It is an arithmetic number, because the mean of its divisors is an integer number (19666240).

Almost surely, 2^78050263 is an apocalyptic number.

78050263 is a deficient number, since it is larger than the sum of its proper divisors (614697).

78050263 is a wasteful number, since it uses less digits than its factorization.

78050263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614696.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 78050263 is about 8834.6059900824. The cubic root of 78050263 is about 427.3576248067.

The spelling of 78050263 in words is "seventy-eight million, fifty thousand, two hundred sixty-three".