916026789 has 4 divisors (see below), whose sum is σ = 1221369056. Its totient is φ = 610684524.

The previous prime is 916026767. The next prime is 916026791. The reversal of 916026789 is 987620619.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 916026789 - 2¹¹ = 916024741 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 (916016789) 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 3 ways as a sum of consecutive naturals, for example, 152671129 + ... + 152671134.

It is an arithmetic number, because the mean of its divisors is an integer number (305342264).

Almost surely, 2^916026789 is an apocalyptic number.

It is an amenable number.

916026789 is a deficient number, since it is larger than the sum of its proper divisors (305342267).

916026789 is a wasteful number, since it uses less digits than its factorization.

916026789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305342266.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 916026789 is about 30265.9344643446. The cubic root of 916026789 is about 971.1866968940.

The spelling of 916026789 in words is "nine hundred sixteen million, twenty-six thousand, seven hundred eighty-nine".