227880747861 has 16 divisors (see below), whose sum is σ = 335194198080. Its totient is φ = 136813956480.

The previous prime is 227880747833. The next prime is 227880747889. The reversal of 227880747861 is 168747088722.

It is an interprime number because it is at equal distance from previous prime (227880747833) and next prime (227880747889).

It is not a de Polignac number, because 227880747861 - 2⁹ = 227880747349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227880747795 and 227880747804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227880747821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71255671 + ... + 71258868.

It is an arithmetic number, because the mean of its divisors is an integer number (20949637380).

Almost surely, 2^227880747861 is an apocalyptic number.

It is an amenable number.

227880747861 is a deficient number, since it is larger than the sum of its proper divisors (107313450219).

227880747861 is a wasteful number, since it uses less digits than its factorization.

227880747861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142514596.

The product of its (nonzero) digits is 16859136, while the sum is 60.

The spelling of 227880747861 in words is "two hundred twenty-seven billion, eight hundred eighty million, seven hundred forty-seven thousand, eight hundred sixty-one".