89213811940 has 96 divisors (see below), whose sum is σ = 206975793024. Its totient is φ = 32031068160.

The previous prime is 89213811937. The next prime is 89213811943. The reversal of 89213811940 is 4911831298.

It is an interprime number because it is at equal distance from previous prime (89213811937) and next prime (89213811943).

It is not an unprimeable number, because it can be changed into a prime (89213811943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9448902 + ... + 9458338.

It is an arithmetic number, because the mean of its divisors is an integer number (2155997844).

Almost surely, 2^89213811940 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 89213811940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103487896512).

89213811940 is an abundant number, since it is smaller than the sum of its proper divisors (117761981084).

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

89213811940 is a wasteful number, since it uses less digits than its factorization.

89213811940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9997 (or 9995 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

It can be divided in two parts, 89213 and 811940, that added together give a triangular number (901153 = T₁₃₄₂).

The spelling of 89213811940 in words is "eighty-nine billion, two hundred thirteen million, eight hundred eleven thousand, nine hundred forty".