775916110080 has 216 divisors, whose sum is σ = 2691366968472. Its totient is φ = 206388559872.

The previous prime is 775916110069. The next prime is 775916110087. The reversal of 775916110080 is 80011619577.

It can be written as a sum of positive squares in 4 ways, for example, as 135506444544 + 640409665536 = 368112^2 + 800256^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (775916110087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4488612 + ... + 4658268.

Almost surely, 2^775916110080 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 775916110080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1345683484236).

775916110080 is an abundant number, since it is smaller than the sum of its proper divisors (1915450858392).

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

775916110080 is a wasteful number, since it uses less digits than its factorization.

775916110080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170081 (or 170064 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 45.

The spelling of 775916110080 in words is "seven hundred seventy-five billion, nine hundred sixteen million, one hundred ten thousand, eighty".