7780196609952 has 384 divisors, whose sum is σ = 23706642677760. Its totient is φ = 2214459371520.

The previous prime is 7780196609891. The next prime is 7780196609963. The reversal of 7780196609952 is 2599066910877.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2561801778 + ... + 2561804814.

It is an arithmetic number, because the mean of its divisors is an integer number (61736048640).

Almost surely, 2^{7780196609952} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7780196609952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11853321338880).

7780196609952 is an abundant number, since it is smaller than the sum of its proper divisors (15926446067808).

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

7780196609952 is a wasteful number, since it uses less digits than its factorization.

7780196609952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5996 (or 5988 counting only the distinct ones).

The product of its (nonzero) digits is 102876480, while the sum is 69.

The spelling of 7780196609952 in words is "seven trillion, seven hundred eighty billion, one hundred ninety-six million, six hundred nine thousand, nine hundred fifty-two".