862116659712 has 1200 divisors, whose sum is σ = 3277876827456. Its totient is φ = 221709312000.

The previous prime is 862116659659. The next prime is 862116659771. The reversal of 862116659712 is 217956611268.

It is a happy number.

862116659712 is a `hidden beast` number, since 8 + 6 + 21 + 16 + 6 + 597 + 12 = 666.

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

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, 8535808462 + ... + 8535808562.

Almost surely, 2^862116659712 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 862116659712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638938413728).

862116659712 is an abundant number, since it is smaller than the sum of its proper divisors (2415760167744).

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

862116659712 is an frugal number, since it uses more digits than its factorization.

862116659712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 124 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The spelling of 862116659712 in words is "eight hundred sixty-two billion, one hundred sixteen million, six hundred fifty-nine thousand, seven hundred twelve".