916970085889 has 16 divisors (see below), whose sum is σ = 1140648929280. Its totient is φ = 724221538560.

The previous prime is 916970085847. The next prime is 916970085929. The reversal of 916970085889 is 988580079619.

It is not a de Polignac number, because 916970085889 - 2⁹ = 916970085377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (916970085839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188596929 + ... + 188601790.

It is an arithmetic number, because the mean of its divisors is an integer number (71290558080).

Almost surely, 2^916970085889 is an apocalyptic number.

It is an amenable number.

916970085889 is a deficient number, since it is larger than the sum of its proper divisors (223678843391).

916970085889 is a wasteful number, since it uses less digits than its factorization.

916970085889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377198760.

The product of its (nonzero) digits is 78382080, while the sum is 70.

The spelling of 916970085889 in words is "nine hundred sixteen billion, nine hundred seventy million, eighty-five thousand, eight hundred eighty-nine".