387472886473512 has 512 divisors, whose sum is σ = 1217721600000000. Its totient is φ = 100178079547392.

The previous prime is 387472886473447. The next prime is 387472886473523. The reversal of 387472886473512 is 215374688274783.

It is a super-2 number, since 2×387472886473512² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 19135398364 + ... + 19135418612.

It is an arithmetic number, because the mean of its divisors is an integer number (2378362500000).

Almost surely, 2^{387472886473512} 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 387472886473512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (608860800000000).

387472886473512 is an abundant number, since it is smaller than the sum of its proper divisors (830248713526488).

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

387472886473512 is a wasteful number, since it uses less digits than its factorization.

387472886473512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21273 (or 21269 counting only the distinct ones).

The product of its digits is 3034644480, while the sum is 75.

The spelling of 387472886473512 in words is "three hundred eighty-seven trillion, four hundred seventy-two billion, eight hundred eighty-six million, four hundred seventy-three thousand, five hundred twelve".