7730628204816 has 180 divisors, whose sum is σ = 23887295670784. Its totient is φ = 2332108437120.

The previous prime is 7730628204781. The next prime is 7730628204881. The reversal of 7730628204816 is 6184028260377.

7730628204816 is a `hidden beast` number, since 7 + 7 + 3 + 0 + 628 + 2 + 0 + 4 + 8 + 1 + 6 = 666.

It is a super-2 number, since 2×7730628204816² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2890761 + ... + 4880343.

Almost surely, 2^{7730628204816} 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 7730628204816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11943647835392).

7730628204816 is an abundant number, since it is smaller than the sum of its proper divisors (16156667465968).

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

7730628204816 is a wasteful number, since it uses less digits than its factorization.

7730628204816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989842 (or 1989822 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 7730628204816 in words is "seven trillion, seven hundred thirty billion, six hundred twenty-eight million, two hundred four thousand, eight hundred sixteen".