78648063 has 16 divisors (see below), whose sum is σ = 117841920. Its totient is φ = 46293984.

The previous prime is 78648043. The next prime is 78648067. The reversal of 78648063 is 36084687.

It is not a de Polignac number, because 78648063 - 2⁹ = 78647551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78648067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42943 + ... + 44736.

It is an arithmetic number, because the mean of its divisors is an integer number (7365120).

Almost surely, 2^78648063 is an apocalyptic number.

78648063 is a deficient number, since it is larger than the sum of its proper divisors (39193857).

78648063 is a wasteful number, since it uses less digits than its factorization.

78648063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87718.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 78648063 is about 8868.3743155101. The cubic root of 78648063 is about 428.4459188505.

The spelling of 78648063 in words is "seventy-eight million, six hundred forty-eight thousand, sixty-three".