775725228012 has 96 divisors (see below), whose sum is σ = 2141668372480. Its totient is φ = 213849538560.

The previous prime is 775725227987. The next prime is 775725228041. The reversal of 775725228012 is 210822527577.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435564 + ... + 1319532.

Almost surely, 2^775725228012 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 775725228012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1070834186240).

775725228012 is an abundant number, since it is smaller than the sum of its proper divisors (1365943144468).

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

775725228012 is a wasteful number, since it uses less digits than its factorization.

775725228012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884351 (or 884349 counting only the distinct ones).

The product of its (nonzero) digits is 1097600, while the sum is 48.

The spelling of 775725228012 in words is "seven hundred seventy-five billion, seven hundred twenty-five million, two hundred twenty-eight thousand, twelve".