78028803326 has 4 divisors (see below), whose sum is σ = 117043204992. Its totient is φ = 39014401662.

The previous prime is 78028803323. The next prime is 78028803343. The reversal of 78028803326 is 62330882087.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78028803323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19507200830 + ... + 19507200833.

It is an arithmetic number, because the mean of its divisors is an integer number (29260801248).

Almost surely, 2^78028803326 is an apocalyptic number.

78028803326 is a deficient number, since it is larger than the sum of its proper divisors (39014401666).

78028803326 is a wasteful number, since it uses less digits than its factorization.

78028803326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39014401665.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 78028803326 in words is "seventy-eight billion, twenty-eight million, eight hundred three thousand, three hundred twenty-six".