78712828003 has 4 divisors (see below), whose sum is σ = 78713400568. Its totient is φ = 78712255440.

The previous prime is 78712827971. The next prime is 78712828027. The reversal of 78712828003 is 30082821787.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30082821787 = 433 ⋅69475339.

It is a cyclic number.

It is not a de Polignac number, because 78712828003 - 2⁵ = 78712827971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (78712828063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57700 + ... + 400942.

It is an arithmetic number, because the mean of its divisors is an integer number (19678350142).

Almost surely, 2^78712828003 is an apocalyptic number.

78712828003 is a deficient number, since it is larger than the sum of its proper divisors (572565).

78712828003 is a wasteful number, since it uses less digits than its factorization.

78712828003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572564.

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 78712828003 in words is "seventy-eight billion, seven hundred twelve million, eight hundred twenty-eight thousand, three".