89875970820 has 48 divisors (see below), whose sum is σ = 279614133120. Its totient is φ = 23966925408.

The previous prime is 89875970777. The next prime is 89875970887. The reversal of 89875970820 is 2807957898.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83217952 + ... + 83219031.

It is an arithmetic number, because the mean of its divisors is an integer number (5825294440).

Almost surely, 2^89875970820 is an apocalyptic number.

It is an amenable number.

89875970820 is an abundant number, since it is smaller than the sum of its proper divisors (189738162300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89875970820 is a wasteful number, since it uses less digits than its factorization.

89875970820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166437001 (or 166436993 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 63.

The spelling of 89875970820 in words is "eighty-nine billion, eight hundred seventy-five million, nine hundred seventy thousand, eight hundred twenty".