1013783887 has 2 divisors, whose sum is σ = 1013783888. Its totient is φ = 1013783886.

The previous prime is 1013783873. The next prime is 1013783921. The reversal of 1013783887 is 7883873101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013783887 - 2⁷ = 1013783759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013783587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506891943 + 506891944.

It is an arithmetic number, because the mean of its divisors is an integer number (506891944).

Almost surely, 2^1013783887 is an apocalyptic number.

1013783887 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013783887 is an equidigital number, since it uses as much as digits as its factorization.

1013783887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 46.

The square root of 1013783887 is about 31839.9730998630. The cubic root of 1013783887 is about 1004.5736785728.

The spelling of 1013783887 in words is "one billion, thirteen million, seven hundred eighty-three thousand, eight hundred eighty-seven".