890885391480 has 480 divisors, whose sum is σ = 3486392118000. Its totient is φ = 203446785024.

The previous prime is 890885391479. The next prime is 890885391509. The reversal of 890885391480 is 84193588098.

It is a happy number.

890885391480 is a `hidden beast` number, since 8 + 9 + 0 + 8 + 8 + 539 + 14 + 80 = 666.

890885391480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 258300796 + ... + 258304244.

Almost surely, 2^890885391480 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 890885391480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1743196059000).

890885391480 is an abundant number, since it is smaller than the sum of its proper divisors (2595506726520).

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

890885391480 is a wasteful number, since it uses less digits than its factorization.

890885391480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113 (or 5093 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 63.

The spelling of 890885391480 in words is "eight hundred ninety billion, eight hundred eighty-five million, three hundred ninety-one thousand, four hundred eighty".