78052163 has 8 divisors (see below), whose sum is σ = 89281632. Its totient is φ = 66842496.

The previous prime is 78052159. The next prime is 78052187. The reversal of 78052163 is 36125087.

It is a happy number.

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

It is not a de Polignac number, because 78052163 - 2² = 78052159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78052063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4781 + ... + 13377.

It is an arithmetic number, because the mean of its divisors is an integer number (11160204).

Almost surely, 2^78052163 is an apocalyptic number.

78052163 is a deficient number, since it is larger than the sum of its proper divisors (11229469).

78052163 is a wasteful number, since it uses less digits than its factorization.

78052163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9901.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 78052163 is about 8834.7135211053. The cubic root of 78052163 is about 427.3610925417.

The spelling of 78052163 in words is "seventy-eight million, fifty-two thousand, one hundred sixty-three".