862884651552 has 432 divisors, whose sum is σ = 2900922413760. Its totient is φ = 223759979520.

The previous prime is 862884651533. The next prime is 862884651557. The reversal of 862884651552 is 255156488268.

862884651552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (862884651557) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 631224373 + ... + 631225739.

It is an arithmetic number, because the mean of its divisors is an integer number (6715098180).

Almost surely, 2^862884651552 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 862884651552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450461206880).

862884651552 is an abundant number, since it is smaller than the sum of its proper divisors (2038037762208).

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

862884651552 is a wasteful number, since it uses less digits than its factorization.

862884651552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525 (or 2499 counting only the distinct ones).

The product of its digits is 36864000, while the sum is 60.

The spelling of 862884651552 in words is "eight hundred sixty-two billion, eight hundred eighty-four million, six hundred fifty-one thousand, five hundred fifty-two".