1487385864 has 48 divisors (see below), whose sum is σ = 4126597020. Its totient is φ = 483701760.

The previous prime is 1487385857. The next prime is 1487385869. The reversal of 1487385864 is 4685837841.

1487385864 is a `hidden beast` number, since 1 + 487 + 3 + 85 + 86 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1091773764 + 395612100 = 33042^2 + 19890^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1487385864.

It is not an unprimeable number, because it can be changed into a prime (1487385869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 248977 + ... + 254880.

Almost surely, 2^1487385864 is an apocalyptic number.

It is an amenable number.

1487385864 is an abundant number, since it is smaller than the sum of its proper divisors (2639211156).

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

1487385864 is a wasteful number, since it uses less digits than its factorization.

1487385864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503910 (or 503903 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The square root of 1487385864 is about 38566.6418553651. The cubic root of 1487385864 is about 1141.4964097776.

The spelling of 1487385864 in words is "one billion, four hundred eighty-seven million, three hundred eighty-five thousand, eight hundred sixty-four".