7770499927680 has 512 divisors, whose sum is σ = 30702987947520. Its totient is φ = 1630863360000.

The previous prime is 7770499927679. The next prime is 7770499927709. The reversal of 7770499927680 is 867299940777.

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 63 ways as a sum of consecutive naturals, for example, 8952930 + ... + 9782430.

It is an arithmetic number, because the mean of its divisors is an integer number (59966773335).

Almost surely, 2^{7770499927680} is an apocalyptic number.

7770499927680 is a gapful number since it is divisible by the number (70) 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 7770499927680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15351493973760).

7770499927680 is an abundant number, since it is smaller than the sum of its proper divisors (22932488019840).

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

7770499927680 is a wasteful number, since it uses less digits than its factorization.

7770499927680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829588 (or 829576 counting only the distinct ones).

The product of its (nonzero) digits is 672126336, while the sum is 75.

The spelling of 7770499927680 in words is "seven trillion, seven hundred seventy billion, four hundred ninety-nine million, nine hundred twenty-seven thousand, six hundred eighty".