1375778883 has 8 divisors (see below), whose sum is σ = 1842048000. Its totient is φ = 913347848.

The previous prime is 1375778837. The next prime is 1375778893. The reversal of 1375778883 is 3888775731.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1375778883 - 2⁸ = 1375778627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1375778813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 958683 + ... + 960116.

It is an arithmetic number, because the mean of its divisors is an integer number (230256000).

Almost surely, 2^1375778883 is an apocalyptic number.

1375778883 is a deficient number, since it is larger than the sum of its proper divisors (466269117).

1375778883 is a wasteful number, since it uses less digits than its factorization.

1375778883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919041.

The product of its digits is 7902720, while the sum is 57.

The square root of 1375778883 is about 37091.4934048226. The cubic root of 1375778883 is about 1112.1999717464.

The spelling of 1375778883 in words is "one billion, three hundred seventy-five million, seven hundred seventy-eight thousand, eight hundred eighty-three".