78800003 has 4 divisors (see below), whose sum is σ = 78865248. Its totient is φ = 78734760.

The previous prime is 78799997. The next prime is 78800017. The reversal of 78800003 is 30000887.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 78800003 - 2⁶ = 78799939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78800063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30776 + ... + 33237.

It is an arithmetic number, because the mean of its divisors is an integer number (19716312).

Almost surely, 2^78800003 is an apocalyptic number.

78800003 is a deficient number, since it is larger than the sum of its proper divisors (65245).

78800003 is a wasteful number, since it uses less digits than its factorization.

78800003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65244.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 78800003 is about 8876.9365774461. The cubic root of 78800003 is about 428.7216459077.

The spelling of 78800003 in words is "seventy-eight million, eight hundred thousand, three".