89561881804 has 6 divisors (see below), whose sum is σ = 156733293164. Its totient is φ = 44780940900.

The previous prime is 89561881691. The next prime is 89561881819. The reversal of 89561881804 is 40818816598.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11195235222 + ... + 11195235229.

Almost surely, 2^89561881804 is an apocalyptic number.

It is an amenable number.

89561881804 is a deficient number, since it is larger than the sum of its proper divisors (67171411360).

89561881804 is a wasteful number, since it uses less digits than its factorization.

89561881804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22390470455 (or 22390470453 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 58.

The spelling of 89561881804 in words is "eighty-nine billion, five hundred sixty-one million, eight hundred eighty-one thousand, eight hundred four".