881952819861 has 8 divisors (see below), whose sum is σ = 1195868230560. Its totient is φ = 578002977872.

The previous prime is 881952819817. The next prime is 881952819877. The reversal of 881952819861 is 168918259188.

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 881952819861 - 2²² = 881948625557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 881952819792 and 881952819801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881952814861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2491391970 + ... + 2491392323.

It is an arithmetic number, because the mean of its divisors is an integer number (149483528820).

Almost surely, 2^881952819861 is an apocalyptic number.

It is an amenable number.

881952819861 is a deficient number, since it is larger than the sum of its proper divisors (313915410699).

881952819861 is a wasteful number, since it uses less digits than its factorization.

881952819861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4982784355.

The product of its digits is 19906560, while the sum is 66.

The spelling of 881952819861 in words is "eight hundred eighty-one billion, nine hundred fifty-two million, eight hundred nineteen thousand, eight hundred sixty-one".