89881921776 has 40 divisors (see below), whose sum is σ = 232624227664. Its totient is φ = 29905251840.

The previous prime is 89881921771. The next prime is 89881921799. The reversal of 89881921776 is 67712918898.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89881921771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1704661 + ... + 1756596.

Almost surely, 2^89881921776 is an apocalyptic number.

It is an amenable number.

89881921776 is an abundant number, since it is smaller than the sum of its proper divisors (142742305888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89881921776 is a wasteful number, since it uses less digits than its factorization.

89881921776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3461809 (or 3461803 counting only the distinct ones).

The product of its digits is 24385536, while the sum is 66.

The spelling of 89881921776 in words is "eighty-nine billion, eight hundred eighty-one million, nine hundred twenty-one thousand, seven hundred seventy-six".