1375008885 has 32 divisors (see below), whose sum is σ = 2550746880. Its totient is φ = 701452224.

The previous prime is 1375008883. The next prime is 1375008917. The reversal of 1375008885 is 5888005731.

It is a happy number.

1375008885 is a `hidden beast` number, since 137 + 500 + 8 + 8 + 8 + 5 = 666.

It is not a de Polignac number, because 1375008885 - 2¹ = 1375008883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1375008885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375008883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 218314 + ... + 224523.

It is an arithmetic number, because the mean of its divisors is an integer number (79710840).

Almost surely, 2^1375008885 is an apocalyptic number.

1375008885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1375008885 is a deficient number, since it is larger than the sum of its proper divisors (1175737995).

1375008885 is a wasteful number, since it uses less digits than its factorization.

1375008885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442874 (or 442868 counting only the distinct ones).

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

The square root of 1375008885 is about 37081.1122406003. The cubic root of 1375008885 is about 1111.9924404387.

The spelling of 1375008885 in words is "one billion, three hundred seventy-five million, eight thousand, eight hundred eighty-five".