89809147076 has 36 divisors (see below), whose sum is σ = 174463236780. Its totient is φ = 40418136000.

The previous prime is 89809147063. The next prime is 89809147079. The reversal of 89809147076 is 67074190898.

It can be written as a sum of positive squares in 2 ways, for example, as 60626258176 + 29182888900 = 246224^2 + 170830^2 .

It is not an unprimeable number, because it can be changed into a prime (89809147079) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 869711 + ... + 967478.

Almost surely, 2^89809147076 is an apocalyptic number.

It is an amenable number.

89809147076 is a deficient number, since it is larger than the sum of its proper divisors (84654089704).

89809147076 is a wasteful number, since it uses less digits than its factorization.

89809147076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837316 (or 1837303 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 59.

The spelling of 89809147076 in words is "eighty-nine billion, eight hundred nine million, one hundred forty-seven thousand, seventy-six".