225657077759 has 4 divisors (see below), whose sum is σ = 228375837816. Its totient is φ = 222938317704.

The previous prime is 225657077717. The next prime is 225657077783. The reversal of 225657077759 is 957770756522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225657077759 is a prime.

It is a super-2 number, since 2×225657077759² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225657077059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1359379904 + ... + 1359380069.

It is an arithmetic number, because the mean of its divisors is an integer number (57093959454).

Almost surely, 2^225657077759 is an apocalyptic number.

225657077759 is a deficient number, since it is larger than the sum of its proper divisors (2718760057).

225657077759 is an equidigital number, since it uses as much as digits as its factorization.

225657077759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718760056.

The product of its (nonzero) digits is 64827000, while the sum is 62.

The spelling of 225657077759 in words is "two hundred twenty-five billion, six hundred fifty-seven million, seventy-seven thousand, seven hundred fifty-nine".