89974201851 has 12 divisors (see below), whose sum is σ = 129972579880. Its totient is φ = 59978257920.

The previous prime is 89974201841. The next prime is 89974201861. The reversal of 89974201851 is 15810247998.

It is a happy number.

89974201851 is a `hidden beast` number, since 89 + 97 + 420 + 1 + 8 + 51 = 666.

It is an interprime number because it is at equal distance from previous prime (89974201841) and next prime (89974201861).

It is not a de Polignac number, because 89974201851 - 2⁶ = 89974201787 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 250921 + ... + 492858.

Almost surely, 2^89974201851 is an apocalyptic number.

89974201851 is a deficient number, since it is larger than the sum of its proper divisors (39998378029).

89974201851 is a wasteful number, since it uses less digits than its factorization.

89974201851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757226 (or 757223 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The spelling of 89974201851 in words is "eighty-nine billion, nine hundred seventy-four million, two hundred one thousand, eight hundred fifty-one".