89774375547 has 8 divisors (see below), whose sum is σ = 119779562320. Its totient is φ = 59809386240.

The previous prime is 89774375479. The next prime is 89774375549. The reversal of 89774375547 is 74557347798.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 89774375547 - 2¹² = 89774371451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89774375549) 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, 10044154 + ... + 10053087.

It is an arithmetic number, because the mean of its divisors is an integer number (14972445290).

Almost surely, 2^89774375547 is an apocalyptic number.

89774375547 is a deficient number, since it is larger than the sum of its proper divisors (30005186773).

89774375547 is a wasteful number, since it uses less digits than its factorization.

89774375547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20098733.

The product of its digits is 207446400, while the sum is 66.

The spelling of 89774375547 in words is "eighty-nine billion, seven hundred seventy-four million, three hundred seventy-five thousand, five hundred forty-seven".