775425685480 has 64 divisors (see below), whose sum is σ = 1785646736640. Its totient is φ = 302920518912.

The previous prime is 775425685427. The next prime is 775425685481. The reversal of 775425685480 is 84586524577.

It is not an unprimeable number, because it can be changed into a prime (775425685481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436354 + ... + 1319566.

It is an arithmetic number, because the mean of its divisors is an integer number (27900730260).

Almost surely, 2^775425685480 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 775425685480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892823368320).

775425685480 is an abundant number, since it is smaller than the sum of its proper divisors (1010221051160).

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

775425685480 is a wasteful number, since it uses less digits than its factorization.

775425685480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883738 (or 883734 counting only the distinct ones).

The product of its (nonzero) digits is 75264000, while the sum is 61.

The spelling of 775425685480 in words is "seven hundred seventy-five billion, four hundred twenty-five million, six hundred eighty-five thousand, four hundred eighty".