1466977885 has 12 divisors (see below), whose sum is σ = 1765415484. Its totient is φ = 1170229760.

The previous prime is 1466977879. The next prime is 1466977901. The reversal of 1466977885 is 5887796641.

It can be written as a sum of positive squares in 2 ways, for example, as 510127396 + 956850489 = 22586^2 + 30933^2 .

It is not a de Polignac number, because 1466977885 - 2⁹ = 1466977373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1204797 + ... + 1206013.

It is an arithmetic number, because the mean of its divisors is an integer number (147117957).

Almost surely, 2^1466977885 is an apocalyptic number.

It is an amenable number.

1466977885 is a deficient number, since it is larger than the sum of its proper divisors (298437599).

1466977885 is an frugal number, since it uses more digits than its factorization.

1466977885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204 (or 1713 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 61.

The square root of 1466977885 is about 38301.1473065756. The cubic root of 1466977885 is about 1136.2516379190.

The spelling of 1466977885 in words is "one billion, four hundred sixty-six million, nine hundred seventy-seven thousand, eight hundred eighty-five".