889454747 has 2 divisors, whose sum is σ = 889454748. Its totient is φ = 889454746.

The previous prime is 889454723. The next prime is 889454831. The reversal of 889454747 is 747454988.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 889454747 - 2²² = 885260443 is a prime.

It is a super-2 number, since 2×889454747² = 1582259493921668018, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 889454692 and 889454701.

It is not a weakly prime, because it can be changed into another prime (889454717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444727373 + 444727374.

It is an arithmetic number, because the mean of its divisors is an integer number (444727374).

Almost surely, 2^889454747 is an apocalyptic number.

889454747 is a deficient number, since it is larger than the sum of its proper divisors (1).

889454747 is an equidigital number, since it uses as much as digits as its factorization.

889454747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9031680, while the sum is 56.

The square root of 889454747 is about 29823.7279192257. The cubic root of 889454747 is about 961.7036974141.

The spelling of 889454747 in words is "eight hundred eighty-nine million, four hundred fifty-four thousand, seven hundred forty-seven".