1487105856 has 84 divisors (see below), whose sum is σ = 4334865600. Its totient is φ = 487289088.

The previous prime is 1487105827. The next prime is 1487105869. The reversal of 1487105856 is 6585017841.

It is a super-2 number, since 2×1487105856² = 4422967653898985472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12105 + ... + 55863.

Almost surely, 2^1487105856 is an apocalyptic number.

1487105856 is a gapful number since it is divisible by the number (16) 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 1487105856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2167432800).

1487105856 is an abundant number, since it is smaller than the sum of its proper divisors (2847759744).

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

1487105856 is a wasteful number, since it uses less digits than its factorization.

1487105856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43836 (or 43823 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The square root of 1487105856 is about 38563.0115006595. The cubic root of 1487105856 is about 1141.4247744354.

The spelling of 1487105856 in words is "one billion, four hundred eighty-seven million, one hundred five thousand, eight hundred fifty-six".