882642861 has 6 divisors (see below), whose sum is σ = 1274928590. Its totient is φ = 588428568.

The previous prime is 882642857. The next prime is 882642863. The reversal of 882642861 is 168246288.

It can be written as a sum of positive squares in only one way, i.e., 533887236 + 348755625 = 23106^2 + 18675^2 .

It is not a de Polignac number, because 882642861 - 2² = 882642857 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 (882642863) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49035706 + ... + 49035723.

Almost surely, 2^882642861 is an apocalyptic number.

It is an amenable number.

882642861 is a deficient number, since it is larger than the sum of its proper divisors (392285729).

882642861 is a wasteful number, since it uses less digits than its factorization.

882642861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98071435 (or 98071432 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 882642861 is about 29709.3059663130. The cubic root of 882642861 is about 959.2423351250.

It can be divided in two parts, 88264 and 2861, that added together give a cube (91125 = 45³).

The spelling of 882642861 in words is "eight hundred eighty-two million, six hundred forty-two thousand, eight hundred sixty-one".