89149454577 has 8 divisors (see below), whose sum is σ = 132073266080. Its totient is φ = 59432969700.

The previous prime is 89149454573. The next prime is 89149454579. The reversal of 89149454577 is 77545494198.

89149454577 is a `hidden beast` number, since 8 + 9 + 1 + 4 + 9 + 4 + 54 + 577 = 666.

It is not a de Polignac number, because 89149454577 - 2² = 89149454573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89149454573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1650915799 + ... + 1650915852.

It is an arithmetic number, because the mean of its divisors is an integer number (16509158260).

Almost surely, 2^89149454577 is an apocalyptic number.

It is an amenable number.

89149454577 is a deficient number, since it is larger than the sum of its proper divisors (42923811503).

89149454577 is a wasteful number, since it uses less digits than its factorization.

89149454577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3301831660 (or 3301831654 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 63.

The spelling of 89149454577 in words is "eighty-nine billion, one hundred forty-nine million, four hundred fifty-four thousand, five hundred seventy-seven".