78750003 has 16 divisors (see below), whose sum is σ = 111628800. Its totient is φ = 49240800.

The previous prime is 78749987. The next prime is 78750011. The reversal of 78750003 is 30005787.

It is not a de Polignac number, because 78750003 - 2⁴ = 78749987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78750043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1083 + ... + 12596.

It is an arithmetic number, because the mean of its divisors is an integer number (6976800).

Almost surely, 2^78750003 is an apocalyptic number.

78750003 is a deficient number, since it is larger than the sum of its proper divisors (32878797).

78750003 is a wasteful number, since it uses less digits than its factorization.

78750003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13802.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 78750003 is about 8874.1198436803. The cubic root of 78750003 is about 428.6309495586.

The spelling of 78750003 in words is "seventy-eight million, seven hundred fifty thousand, three".