890063139420 has 960 divisors, whose sum is σ = 3707860375296. Its totient is φ = 173386137600.

The previous prime is 890063139401. The next prime is 890063139439. The reversal of 890063139420 is 24931360098.

It is a happy number.

890063139420 is a `hidden beast` number, since 8 + 9 + 0 + 0 + 631 + 3 + 9 + 4 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (890063139401) and next prime (890063139439).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 132822070 + ... + 132828770.

Almost surely, 2^890063139420 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 890063139420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853930187648).

890063139420 is an abundant number, since it is smaller than the sum of its proper divisors (2817797235876).

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

890063139420 is a wasteful number, since it uses less digits than its factorization.

890063139420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6812 (or 6801 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 890063139420 in words is "eight hundred ninety billion, sixty-three million, one hundred thirty-nine thousand, four hundred twenty".