89491511370 has 64 divisors (see below), whose sum is σ = 219600875520. Its totient is φ = 23329873728.

The previous prime is 89491511359. The next prime is 89491511437. The reversal of 89491511370 is 7311519498.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1209091 + ... + 1280969.

It is an arithmetic number, because the mean of its divisors is an integer number (3431263680).

Almost surely, 2^89491511370 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89491511370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109800437760).

89491511370 is an abundant number, since it is smaller than the sum of its proper divisors (130109364150).

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

89491511370 is a wasteful number, since it uses less digits than its factorization.

89491511370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72819.

The product of its (nonzero) digits is 272160, while the sum is 48.

The spelling of 89491511370 in words is "eighty-nine billion, four hundred ninety-one million, five hundred eleven thousand, three hundred seventy".