227981747007 has 48 divisors (see below), whose sum is σ = 381359197440. Its totient is φ = 128547619200.

The previous prime is 227981746973. The next prime is 227981747009. The reversal of 227981747007 is 700747189722.

227981747007 is a `hidden beast` number, since 22 + 79 + 81 + 7 + 470 + 0 + 7 = 666.

It is not a de Polignac number, because 227981747007 - 2¹⁰ = 227981745983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227981747009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2711632 + ... + 2794442.

It is an arithmetic number, because the mean of its divisors is an integer number (7944983280).

Almost surely, 2^227981747007 is an apocalyptic number.

227981747007 is a deficient number, since it is larger than the sum of its proper divisors (153377450433).

227981747007 is a wasteful number, since it uses less digits than its factorization.

227981747007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83404 (or 83401 counting only the distinct ones).

The product of its (nonzero) digits is 2765952, while the sum is 54.

The spelling of 227981747007 in words is "two hundred twenty-seven billion, nine hundred eighty-one million, seven hundred forty-seven thousand, seven".