78442463283 has 32 divisors (see below), whose sum is σ = 109809907200. Its totient is φ = 49744160256.

The previous prime is 78442463261. The next prime is 78442463311. The reversal of 78442463283 is 38236424487.

It is not a de Polignac number, because 78442463283 - 2⁶ = 78442463219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78442463083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1617888 + ... + 1665666.

It is an arithmetic number, because the mean of its divisors is an integer number (3431559600).

Almost surely, 2^78442463283 is an apocalyptic number.

78442463283 is a deficient number, since it is larger than the sum of its proper divisors (31367443917).

78442463283 is a wasteful number, since it uses less digits than its factorization.

78442463283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48091.

The product of its digits is 6193152, while the sum is 51.

The spelling of 78442463283 in words is "seventy-eight billion, four hundred forty-two million, four hundred sixty-three thousand, two hundred eighty-three".