916125887 has 2 divisors, whose sum is σ = 916125888. Its totient is φ = 916125886.

The previous prime is 916125841. The next prime is 916125893. The reversal of 916125887 is 788521619.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 916125887 - 2⁶ = 916125823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (916125817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458062943 + 458062944.

It is an arithmetic number, because the mean of its divisors is an integer number (458062944).

Almost surely, 2^916125887 is an apocalyptic number.

916125887 is a deficient number, since it is larger than the sum of its proper divisors (1).

916125887 is an equidigital number, since it uses as much as digits as its factorization.

916125887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 47.

The square root of 916125887 is about 30267.5715411726. The cubic root of 916125887 is about 971.2217174087.

The spelling of 916125887 in words is "nine hundred sixteen million, one hundred twenty-five thousand, eight hundred eighty-seven".