78926222357 has 16 divisors (see below), whose sum is σ = 83875883520. Its totient is φ = 74058332400.

The previous prime is 78926222341. The next prime is 78926222359. The reversal of 78926222357 is 75322262987.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 78926222357 - 2⁴ = 78926222341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 78926222299 and 78926222308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78926222359) 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, 1271432 + ... + 1332062.

It is an arithmetic number, because the mean of its divisors is an integer number (5242242720).

Almost surely, 2^78926222357 is an apocalyptic number.

It is an amenable number.

78926222357 is a deficient number, since it is larger than the sum of its proper divisors (4949661163).

78926222357 is a wasteful number, since it uses less digits than its factorization.

78926222357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61304.

The product of its digits is 5080320, while the sum is 53.

The spelling of 78926222357 in words is "seventy-eight billion, nine hundred twenty-six million, two hundred twenty-two thousand, three hundred fifty-seven".