862897152 has 352 divisors, whose sum is σ = 2773177344. Its totient is φ = 235929600.

The previous prime is 862897099. The next prime is 862897163. The reversal of 862897152 is 251798268.

It is a super-2 number, since 2×862897152² = 1489182989859422208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21046252 + ... + 21046292.

Almost surely, 2^862897152 is an apocalyptic number.

862897152 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 862897152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386588672).

862897152 is an abundant number, since it is smaller than the sum of its proper divisors (1910280192).

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

862897152 is a wasteful number, since it uses less digits than its factorization.

862897152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 107 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The square root of 862897152 is about 29375.1110976623. Note that the first 3 decimals coincide. The cubic root of 862897152 is about 952.0352127832.

The spelling of 862897152 in words is "eight hundred sixty-two million, eight hundred ninety-seven thousand, one hundred fifty-two".