78625427673 has 24 divisors (see below), whose sum is σ = 113587848192. Its totient is φ = 48355265088.

The previous prime is 78625427651. The next prime is 78625427707. The reversal of 78625427673 is 37672452687.

It is not a de Polignac number, because 78625427673 - 2¹² = 78625423577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78625427603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 796515 + ... + 889767.

It is an arithmetic number, because the mean of its divisors is an integer number (4732827008).

Almost surely, 2^78625427673 is an apocalyptic number.

It is an amenable number.

78625427673 is a deficient number, since it is larger than the sum of its proper divisors (34962420519).

78625427673 is a wasteful number, since it uses less digits than its factorization.

78625427673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94945 (or 94932 counting only the distinct ones).

The product of its digits is 23708160, while the sum is 57.

The spelling of 78625427673 in words is "seventy-eight billion, six hundred twenty-five million, four hundred twenty-seven thousand, six hundred seventy-three".