7760780346 has 64 divisors (see below), whose sum is σ = 17198438400. Its totient is φ = 2315106240.

The previous prime is 7760780323. The next prime is 7760780353. The reversal of 7760780346 is 6430870677.

It is a junction number, because it is equal to n+sod(n) for n = 7760780295 and 7760780304.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1172755 + ... + 1179353.

It is an arithmetic number, because the mean of its divisors is an integer number (268725600).

Almost surely, 2^7760780346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7760780346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8599219200).

7760780346 is an abundant number, since it is smaller than the sum of its proper divisors (9437658054).

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

7760780346 is a wasteful number, since it uses less digits than its factorization.

7760780346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891.

The product of its (nonzero) digits is 1185408, while the sum is 48.

The square root of 7760780346 is about 88095.2912816570. The cubic root of 7760780346 is about 1979.8629590899.

The spelling of 7760780346 in words is "seven billion, seven hundred sixty million, seven hundred eighty thousand, three hundred forty-six".