889252661 has 8 divisors (see below), whose sum is σ = 986536800. Its totient is φ = 794709040.

The previous prime is 889252613. The next prime is 889252673. The reversal of 889252661 is 166252988.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 889252661 - 2¹⁸ = 888990517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889252601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684446 + ... + 685743.

It is an arithmetic number, because the mean of its divisors is an integer number (123317100).

Almost surely, 2^889252661 is an apocalyptic number.

It is an amenable number.

889252661 is a deficient number, since it is larger than the sum of its proper divisors (97284139).

889252661 is a wasteful number, since it uses less digits than its factorization.

889252661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370259.

The product of its digits is 414720, while the sum is 47.

The square root of 889252661 is about 29820.3397197282. The cubic root of 889252661 is about 961.6308581926.

The spelling of 889252661 in words is "eight hundred eighty-nine million, two hundred fifty-two thousand, six hundred sixty-one".