7873505193426 has 32 divisors (see below), whose sum is σ = 15773994590208. Its totient is φ = 2620008095760.

The previous prime is 7873505193413. The next prime is 7873505193427. The reversal of 7873505193426 is 6243915053787.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 7873505193426.

It is not an unprimeable number, because it can be changed into a prime (7873505193427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7995885 + ... + 8926431.

It is an arithmetic number, because the mean of its divisors is an integer number (492937330944).

It is a 1-persistent number, because it is pandigital, but 2⋅7873505193426 = 15747010386852 is not.

Almost surely, 2^{7873505193426} is an apocalyptic number.

7873505193426 is an abundant number, since it is smaller than the sum of its proper divisors (7900489396782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7873505193426 is a wasteful number, since it uses less digits than its factorization.

7873505193426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932966.

The product of its (nonzero) digits is 38102400, while the sum is 60.

The spelling of 7873505193426 in words is "seven trillion, eight hundred seventy-three billion, five hundred five million, one hundred ninety-three thousand, four hundred twenty-six".