78248063 has 2 divisors, whose sum is σ = 78248064. Its totient is φ = 78248062.

The previous prime is 78248041. The next prime is 78248083. The reversal of 78248063 is 36084287.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78248063 - 2¹² = 78243967 is a prime.

It is a super-2 number, since 2×78248063² = 12245518726503938, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78248083) 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 as a sum of consecutive naturals, namely, 39124031 + 39124032.

It is an arithmetic number, because the mean of its divisors is an integer number (39124032).

Almost surely, 2^78248063 is an apocalyptic number.

78248063 is a deficient number, since it is larger than the sum of its proper divisors (1).

78248063 is an equidigital number, since it uses as much as digits as its factorization.

78248063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 78248063 is about 8845.7935200863. The cubic root of 78248063 is about 427.7183326679.

The spelling of 78248063 in words is "seventy-eight million, two hundred forty-eight thousand, sixty-three".