7780275761804 has 288 divisors, whose sum is σ = 17679268502784. Its totient is φ = 2967232020480.

The previous prime is 7780275761779. The next prime is 7780275761851. The reversal of 7780275761804 is 4081675720877.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8540368109 + ... + 8540369019.

It is an arithmetic number, because the mean of its divisors is an integer number (61386348968).

Almost surely, 2^{7780275761804} is an apocalyptic number.

7780275761804 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7780275761804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8839634251392).

7780275761804 is an abundant number, since it is smaller than the sum of its proper divisors (9898992740980).

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

7780275761804 is a wasteful number, since it uses less digits than its factorization.

7780275761804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 36879360, while the sum is 62.

The spelling of 7780275761804 in words is "seven trillion, seven hundred eighty billion, two hundred seventy-five million, seven hundred sixty-one thousand, eight hundred four".