889617457 has 4 divisors (see below), whose sum is σ = 908545536. Its totient is φ = 870689380.

The previous prime is 889617451. The next prime is 889617461. The reversal of 889617457 is 754716988.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 889617457 - 2¹¹ = 889615409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 889617398 and 889617407.

It is not an unprimeable number, because it can be changed into a prime (889617451) 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, 9463969 + ... + 9464062.

It is an arithmetic number, because the mean of its divisors is an integer number (227136384).

Almost surely, 2^889617457 is an apocalyptic number.

It is an amenable number.

889617457 is a deficient number, since it is larger than the sum of its proper divisors (18928079).

889617457 is a wasteful number, since it uses less digits than its factorization.

889617457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18928078.

The product of its digits is 3386880, while the sum is 55.

The square root of 889617457 is about 29826.4556560112. The cubic root of 889617457 is about 961.7623360607.

The spelling of 889617457 in words is "eight hundred eighty-nine million, six hundred seventeen thousand, four hundred fifty-seven".