89867380547 has 4 divisors (see below), whose sum is σ = 102705577776. Its totient is φ = 77029183320.

The previous prime is 89867380543. The next prime is 89867380601. The reversal of 89867380547 is 74508376898.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74508376898 = 2 ⋅37254188449.

It is a cyclic number.

It is not a de Polignac number, because 89867380547 - 2² = 89867380543 is a prime.

It is a super-2 number, since 2×89867380547² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89867380543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6419098604 + ... + 6419098617.

It is an arithmetic number, because the mean of its divisors is an integer number (25676394444).

Almost surely, 2^89867380547 is an apocalyptic number.

89867380547 is a deficient number, since it is larger than the sum of its proper divisors (12838197229).

89867380547 is a wasteful number, since it uses less digits than its factorization.

89867380547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12838197228.

The product of its (nonzero) digits is 81285120, while the sum is 65.

The spelling of 89867380547 in words is "eighty-nine billion, eight hundred sixty-seven million, three hundred eighty thousand, five hundred forty-seven".