1083898783 has 4 divisors (see below), whose sum is σ = 1182435048. Its totient is φ = 985362520.

The previous prime is 1083898747. The next prime is 1083898793. The reversal of 1083898783 is 3878983801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1083898783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083898793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49268116 + ... + 49268137.

It is an arithmetic number, because the mean of its divisors is an integer number (295608762).

Almost surely, 2^1083898783 is an apocalyptic number.

1083898783 is a deficient number, since it is larger than the sum of its proper divisors (98536265).

1083898783 is an equidigital number, since it uses as much as digits as its factorization.

1083898783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98536264.

The product of its (nonzero) digits is 2322432, while the sum is 55.

The square root of 1083898783 is about 32922.6181067059. The cubic root of 1083898783 is about 1027.2186826031.

The spelling of 1083898783 in words is "one billion, eighty-three million, eight hundred ninety-eight thousand, seven hundred eighty-three".