78823737563222 has 16 divisors (see below), whose sum is σ = 118269009524400. Its totient is φ = 39400735703040.

The previous prime is 78823737563161. The next prime is 78823737563231. The reversal of 78823737563222 is 22236573732887.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122840354 + ... + 123480362.

It is an arithmetic number, because the mean of its divisors is an integer number (7391813095275).

Almost surely, 2^{78823737563222} is an apocalyptic number.

78823737563222 is a deficient number, since it is larger than the sum of its proper divisors (39445271961178).

78823737563222 is a wasteful number, since it uses less digits than its factorization.

78823737563222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657311.

The product of its digits is 284497920, while the sum is 65.

The spelling of 78823737563222 in words is "seventy-eight trillion, eight hundred twenty-three billion, seven hundred thirty-seven million, five hundred sixty-three thousand, two hundred twenty-two".