89974201847 has 4 divisors (see below), whose sum is σ = 89979764160. Its totient is φ = 89968639536.

The previous prime is 89974201841. The next prime is 89974201861. The reversal of 89974201847 is 74810247998.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74810247998 = 2 ⋅37405123999.

It is a cyclic number.

It is not a de Polignac number, because 89974201847 - 2⁶ = 89974201783 is a prime.

It is a super-2 number, since 2×89974201847² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89974201841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2756822 + ... + 2789267.

It is an arithmetic number, because the mean of its divisors is an integer number (22494941040).

Almost surely, 2^89974201847 is an apocalyptic number.

89974201847 is a deficient number, since it is larger than the sum of its proper divisors (5562313).

89974201847 is a wasteful number, since it uses less digits than its factorization.

89974201847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5562312.

The product of its (nonzero) digits is 8128512, while the sum is 59.

The spelling of 89974201847 in words is "eighty-nine billion, nine hundred seventy-four million, two hundred one thousand, eight hundred forty-seven".