1487889465 has 16 divisors (see below), whose sum is σ = 2385936000. Its totient is φ = 791770112.

The previous prime is 1487889409. The next prime is 1487889493. The reversal of 1487889465 is 5649887841.

It is a cyclic number.

It is not a de Polignac number, because 1487889465 - 2⁶ = 1487889401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1487889399 and 1487889408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103725 + ... + 117194.

It is an arithmetic number, because the mean of its divisors is an integer number (149121000).

Almost surely, 2^1487889465 is an apocalyptic number.

1487889465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1487889465 is a deficient number, since it is larger than the sum of its proper divisors (898046535).

1487889465 is a wasteful number, since it uses less digits than its factorization.

1487889465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221376.

The product of its digits is 15482880, while the sum is 60.

The square root of 1487889465 is about 38573.1702741685. The cubic root of 1487889465 is about 1141.6252250099.

The spelling of 1487889465 in words is "one billion, four hundred eighty-seven million, eight hundred eighty-nine thousand, four hundred sixty-five".