7922874486538 has 16 divisors (see below), whose sum is σ = 12964747953600. Its totient is φ = 3601294293600.

The previous prime is 7922874486533. The next prime is 7922874486539. The reversal of 7922874486538 is 8356844782297.

It is not an unprimeable number, because it can be changed into a prime (7922874486533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10232038 + ... + 10979086.

It is an arithmetic number, because the mean of its divisors is an integer number (810296747100).

Almost surely, 2^{7922874486538} is an apocalyptic number.

7922874486538 is a deficient number, since it is larger than the sum of its proper divisors (5041873467062).

7922874486538 is a wasteful number, since it uses less digits than its factorization.

7922874486538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229133.

The product of its digits is 1300561920, while the sum is 73.

The spelling of 7922874486538 in words is "seven trillion, nine hundred twenty-two billion, eight hundred seventy-four million, four hundred eighty-six thousand, five hundred thirty-eight".