225064372077 has 12 divisors (see below), whose sum is σ = 328075487740. Its totient is φ = 148666373568.

The previous prime is 225064372061. The next prime is 225064372081. The reversal of 225064372077 is 770273460522.

225064372077 is a `hidden beast` number, since 2 + 2 + 5 + 0 + 6 + 437 + 207 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 84668778441 + 140395593636 = 290979^2 + 374694^2 .

It is not a de Polignac number, because 225064372077 - 2⁴ = 225064372061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225064372877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114710728 + ... + 114712689.

Almost surely, 2^225064372077 is an apocalyptic number.

It is an amenable number.

225064372077 is a deficient number, since it is larger than the sum of its proper divisors (103011115663).

225064372077 is a wasteful number, since it uses less digits than its factorization.

225064372077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229423532 (or 229423529 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 45.

The spelling of 225064372077 in words is "two hundred twenty-five billion, sixty-four million, three hundred seventy-two thousand, seventy-seven".