775466560 has 112 divisors (see below), whose sum is σ = 2133112320. Its totient is φ = 265379840.

The previous prime is 775466539. The next prime is 775466561. The reversal of 775466560 is 65664577.

It is a self number, because there is not a number n which added to its sum of digits gives 775466560.

It is not an unprimeable number, because it can be changed into a prime (775466561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53361 + ... + 66319.

Almost surely, 2^775466560 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 775466560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066556160).

775466560 is an abundant number, since it is smaller than the sum of its proper divisors (1357645760).

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

775466560 is a wasteful number, since it uses less digits than its factorization.

775466560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13004 (or 12994 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 46.

The square root of 775466560 is about 27847.2002183343. The cubic root of 775466560 is about 918.7295634000.

The spelling of 775466560 in words is "seven hundred seventy-five million, four hundred sixty-six thousand, five hundred sixty".