89019354144 has 96 divisors (see below), whose sum is σ = 269702407296. Its totient is φ = 25182259200.

The previous prime is 89019354143. The next prime is 89019354181. The reversal of 89019354144 is 44145391098.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-4 number, since 4×89019354144⁴ (a number of 45 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 89019354093 and 89019354102.

It is not an unprimeable number, because it can be changed into a prime (89019354143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 587917 + ... + 723660.

It is an arithmetic number, because the mean of its divisors is an integer number (2809400076).

Almost surely, 2^89019354144 is an apocalyptic number.

89019354144 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

89019354144 is an abundant number, since it is smaller than the sum of its proper divisors (180683053152).

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

89019354144 is a wasteful number, since it uses less digits than its factorization.

89019354144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311698 (or 1311690 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 89019354144 in words is "eighty-nine billion, nineteen million, three hundred fifty-four thousand, one hundred forty-four".