775112026420 has 24 divisors (see below), whose sum is σ = 1627783466400. Its totient is φ = 310035627552.

The previous prime is 775112026417. The next prime is 775112026453. The reversal of 775112026420 is 24620211577.

It is a self number, because there is not a number n which added to its sum of digits gives 775112026420.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 139851 + ... + 1252909.

It is an arithmetic number, because the mean of its divisors is an integer number (67824311100).

Almost surely, 2^775112026420 is an apocalyptic number.

It is an amenable number.

775112026420 is an abundant number, since it is smaller than the sum of its proper divisors (852671439980).

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

775112026420 is a wasteful number, since it uses less digits than its factorization.

775112026420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147887 (or 1147885 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 37.

Adding to 775112026420 its reverse (24620211577), we get a palindrome (799732237997).

The spelling of 775112026420 in words is "seven hundred seventy-five billion, one hundred twelve million, twenty-six thousand, four hundred twenty".