883817661 has 8 divisors (see below), whose sum is σ = 1240445920. Its totient is φ = 558200592.

The previous prime is 883817639. The next prime is 883817663. The reversal of 883817661 is 166718388.

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

It is not a de Polignac number, because 883817661 - 2⁵ = 883817629 is a prime.

It is a super-2 number, since 2×883817661² = 1562267315791021842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 883817661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (883817663) 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, 7752730 + ... + 7752843.

It is an arithmetic number, because the mean of its divisors is an integer number (155055740).

Almost surely, 2^883817661 is an apocalyptic number.

It is an amenable number.

883817661 is a deficient number, since it is larger than the sum of its proper divisors (356628259).

883817661 is a wasteful number, since it uses less digits than its factorization.

883817661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15505595.

The product of its digits is 387072, while the sum is 48.

The square root of 883817661 is about 29729.0709743847. The cubic root of 883817661 is about 959.6677311477.

The spelling of 883817661 in words is "eight hundred eighty-three million, eight hundred seventeen thousand, six hundred sixty-one".