78115063 has 8 divisors (see below), whose sum is σ = 84596400. Its totient is φ = 71701248.

The previous prime is 78115049. The next prime is 78115073. The reversal of 78115063 is 36051187.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78115063 - 2²¹ = 76017911 is a prime.

It is a super-2 number, since 2×78115063² = 12203926134987938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78115043) 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 7 ways as a sum of consecutive naturals, for example, 14458 + ... + 19111.

It is an arithmetic number, because the mean of its divisors is an integer number (10574550).

Almost surely, 2^78115063 is an apocalyptic number.

78115063 is a deficient number, since it is larger than the sum of its proper divisors (6481337).

78115063 is a wasteful number, since it uses less digits than its factorization.

78115063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33761.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 78115063 is about 8838.2726253494. The cubic root of 78115063 is about 427.4758610676.

The spelling of 78115063 in words is "seventy-eight million, one hundred fifteen thousand, sixty-three".