986405473512 has 112 divisors (see below), whose sum is σ = 2774359801440. Its totient is φ = 328640221728.

The previous prime is 986405473499. The next prime is 986405473549. The reversal of 986405473512 is 215374504689.

It is a happy number.

986405473512 is a `hidden beast` number, since 9 + 8 + 6 + 4 + 0 + 54 + 73 + 512 = 666.

It is a super-2 number, since 2×986405473512² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 12130863 + ... + 12211905.

It is a 1-persistent number, because it is pandigital, but 2⋅986405473512 = 1972810947024 is not.

Almost surely, 2^986405473512 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 986405473512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387179900720).

986405473512 is an abundant number, since it is smaller than the sum of its proper divisors (1787954327928).

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

986405473512 is a wasteful number, since it uses less digits than its factorization.

986405473512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83154 (or 83135 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The spelling of 986405473512 in words is "nine hundred eighty-six billion, four hundred five million, four hundred seventy-three thousand, five hundred twelve".