78454822342 has 24 divisors (see below), whose sum is σ = 127527816096. Its totient is φ = 36182424096.

The previous prime is 78454822307. The next prime is 78454822349. The reversal of 78454822342 is 24322845487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78454822349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 361068 + ... + 535984.

It is an arithmetic number, because the mean of its divisors is an integer number (5313659004).

Almost surely, 2^78454822342 is an apocalyptic number.

78454822342 is a deficient number, since it is larger than the sum of its proper divisors (49072993754).

78454822342 is a wasteful number, since it uses less digits than its factorization.

78454822342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176272 (or 176259 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 49.

The spelling of 78454822342 in words is "seventy-eight billion, four hundred fifty-four million, eight hundred twenty-two thousand, three hundred forty-two".