225776506776 has 32 divisors (see below), whose sum is σ = 566221857840. Its totient is φ = 75021423488.

The previous prime is 225776506771. The next prime is 225776506783. The reversal of 225776506776 is 677605677522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225776506771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14830491 + ... + 14845706.

Almost surely, 2^225776506776 is an apocalyptic number.

It is an amenable number.

225776506776 is an abundant number, since it is smaller than the sum of its proper divisors (340445351064).

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

225776506776 is a wasteful number, since it uses less digits than its factorization.

225776506776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29676523 (or 29676519 counting only the distinct ones).

The product of its (nonzero) digits is 51861600, while the sum is 60.

The spelling of 225776506776 in words is "two hundred twenty-five billion, seven hundred seventy-six million, five hundred six thousand, seven hundred seventy-six".