916263859 has 32 divisors (see below), whose sum is σ = 1099929600. Its totient is φ = 747014400.

The previous prime is 916263839. The next prime is 916263917. The reversal of 916263859 is 958362619.

It is a cyclic number.

It is not a de Polignac number, because 916263859 - 2¹⁹ = 915739571 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (916263839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3483762 + ... + 3484024.

It is an arithmetic number, because the mean of its divisors is an integer number (34372800).

Almost surely, 2^916263859 is an apocalyptic number.

916263859 is a deficient number, since it is larger than the sum of its proper divisors (183665741).

916263859 is a wasteful number, since it uses less digits than its factorization.

916263859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571.

The product of its digits is 699840, while the sum is 49.

The square root of 916263859 is about 30269.8506603518. The cubic root of 916263859 is about 971.2704715076.

The spelling of 916263859 in words is "nine hundred sixteen million, two hundred sixty-three thousand, eight hundred fifty-nine".