78742630003 has 4 divisors (see below), whose sum is σ = 79197789888. Its totient is φ = 78287470120.

The previous prime is 78742629997. The next prime is 78742630039. The reversal of 78742630003 is 30003624787.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 78742630003 - 2⁵ = 78742629971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78742330003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227579683 + ... + 227580028.

It is an arithmetic number, because the mean of its divisors is an integer number (19799447472).

Almost surely, 2^78742630003 is an apocalyptic number.

78742630003 is a deficient number, since it is larger than the sum of its proper divisors (455159885).

78742630003 is a wasteful number, since it uses less digits than its factorization.

78742630003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455159884.

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 78742630003 in words is "seventy-eight billion, seven hundred forty-two million, six hundred thirty thousand, three".