78163005 has 8 divisors (see below), whose sum is σ = 125060832. Its totient is φ = 41686928.

The previous prime is 78163003. The next prime is 78163037. The reversal of 78163005 is 50036187.

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 78163005 - 2¹ = 78163003 is a prime.

It is a super-2 number, since 2×78163005² = 12218910701260050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78163003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2605419 + ... + 2605448.

It is an arithmetic number, because the mean of its divisors is an integer number (15632604).

Almost surely, 2^78163005 is an apocalyptic number.

It is an amenable number.

78163005 is a deficient number, since it is larger than the sum of its proper divisors (46897827).

78163005 is a wasteful number, since it uses less digits than its factorization.

78163005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210875.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 78163005 is about 8840.9843908922. The cubic root of 78163005 is about 427.5632955765.

The spelling of 78163005 in words is "seventy-eight million, one hundred sixty-three thousand, five".