7775113780 has 48 divisors (see below), whose sum is σ = 19012371840. Its totient is φ = 2615453568.

The previous prime is 7775113769. The next prime is 7775113793. The reversal of 7775113780 is 873115777.

It is a self number, because there is not a number n which added to its sum of digits gives 7775113780.

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 15 ways as a sum of consecutive naturals, for example, 516510 + ... + 531349.

It is an arithmetic number, because the mean of its divisors is an integer number (396091080).

Almost surely, 2^7775113780 is an apocalyptic number.

7775113780 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7775113780 is an abundant number, since it is smaller than the sum of its proper divisors (11237258060).

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

7775113780 is a wasteful number, since it uses less digits than its factorization.

7775113780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047928 (or 1047926 counting only the distinct ones).

The product of its (nonzero) digits is 288120, while the sum is 46.

The square root of 7775113780 is about 88176.6056275699. The cubic root of 7775113780 is about 1981.0810832581.

The spelling of 7775113780 in words is "seven billion, seven hundred seventy-five million, one hundred thirteen thousand, seven hundred eighty".