89377784956 has 6 divisors (see below), whose sum is σ = 156411123680. Its totient is φ = 44688892476.

The previous prime is 89377784941. The next prime is 89377784957. The reversal of 89377784956 is 65948777398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89377784957) 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 as a sum of consecutive naturals, namely, 11172223116 + ... + 11172223123.

Almost surely, 2^89377784956 is an apocalyptic number.

It is an amenable number.

89377784956 is a deficient number, since it is larger than the sum of its proper divisors (67033338724).

89377784956 is a wasteful number, since it uses less digits than its factorization.

89377784956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22344446243 (or 22344446241 counting only the distinct ones).

The product of its digits is 640120320, while the sum is 73.

The spelling of 89377784956 in words is "eighty-nine billion, three hundred seventy-seven million, seven hundred eighty-four thousand, nine hundred fifty-six".