78462884813873 has 16 divisors (see below), whose sum is σ = 91368203924736. Its totient is φ = 65981772192960.

The previous prime is 78462884813821. The next prime is 78462884813893. The reversal of 78462884813873 is 37831848826487.

It is a cyclic number.

It is not a de Polignac number, because 78462884813873 - 2¹⁶ = 78462884748337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78462884813794 and 78462884813803.

It is not an unprimeable number, because it can be changed into a prime (78462884813813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2597783 + ... + 12793523.

It is an arithmetic number, because the mean of its divisors is an integer number (5710512745296).

Almost surely, 2^{78462884813873} is an apocalyptic number.

It is an amenable number.

78462884813873 is a deficient number, since it is larger than the sum of its proper divisors (12905319110863).

78462884813873 is a wasteful number, since it uses less digits than its factorization.

78462884813873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10216544.

The product of its digits is 2774532096, while the sum is 77.

The spelling of 78462884813873 in words is "seventy-eight trillion, four hundred sixty-two billion, eight hundred eighty-four million, eight hundred thirteen thousand, eight hundred seventy-three".