89878314020 has 96 divisors (see below), whose sum is σ = 218447953920. Its totient is φ = 30718880640.

The previous prime is 89878313969. The next prime is 89878314023. The reversal of 89878314020 is 2041387898.

It is a super-2 number, since 2×89878314020² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89878314020.

It is not an unprimeable number, because it can be changed into a prime (89878314023) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 446207 + ... + 615513.

It is an arithmetic number, because the mean of its divisors is an integer number (2275499520).

Almost surely, 2^89878314020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89878314020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109223976960).

89878314020 is an abundant number, since it is smaller than the sum of its proper divisors (128569639900).

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

89878314020 is a wasteful number, since it uses less digits than its factorization.

89878314020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169473 (or 169471 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 89878314020 in words is "eighty-nine billion, eight hundred seventy-eight million, three hundred fourteen thousand, twenty".