776063998080 has 1024 divisors, whose sum is σ = 3391165440000. Its totient is φ = 163805773824.

The previous prime is 776063998079. The next prime is 776063998121. The reversal of 776063998080 is 80899360677.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 776063997999 and 776063998017.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 80675511 + ... + 80685129.

It is an arithmetic number, because the mean of its divisors is an integer number (3311685000).

Almost surely, 2^776063998080 is an apocalyptic number.

776063998080 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 776063998080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1695582720000).

776063998080 is an abundant number, since it is smaller than the sum of its proper divisors (2615101441920).

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

776063998080 is a wasteful number, since it uses less digits than its factorization.

776063998080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9706 (or 9688 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 776063998080 in words is "seven hundred seventy-six billion, sixty-three million, nine hundred ninety-eight thousand, eighty".