78103005 has 8 divisors (see below), whose sum is σ = 124964832. Its totient is φ = 41654928.

The previous prime is 78102971. The next prime is 78103021. The reversal of 78103005 is 50030187.

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

It is not a de Polignac number, because 78103005 - 2⁷ = 78102877 is a prime.

It is a super-2 number, since 2×78103005² = 12200158780060050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2603419 + ... + 2603448.

It is an arithmetic number, because the mean of its divisors is an integer number (15620604).

Almost surely, 2^78103005 is an apocalyptic number.

It is an amenable number.

78103005 is a deficient number, since it is larger than the sum of its proper divisors (46861827).

78103005 is a wasteful number, since it uses less digits than its factorization.

78103005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206875.

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 78103005 is about 8837.5904521538. The cubic root of 78103005 is about 427.4538645880.

The spelling of 78103005 in words is "seventy-eight million, one hundred three thousand, five".