916970085887 has 8 divisors (see below), whose sum is σ = 922629746304. Its totient is φ = 911310841368.

The previous prime is 916970085847. The next prime is 916970085929. The reversal of 916970085887 is 788580079619.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 916970085887 - 2¹² = 916970081791 is a prime.

It is a super-2 number, since 2×916970085887² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916970085847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5128598 + ... + 5304380.

It is an arithmetic number, because the mean of its divisors is an integer number (115328718288).

Almost surely, 2^916970085887 is an apocalyptic number.

916970085887 is a deficient number, since it is larger than the sum of its proper divisors (5659660417).

916970085887 is a wasteful number, since it uses less digits than its factorization.

916970085887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207949.

The product of its (nonzero) digits is 60963840, while the sum is 68.

The spelling of 916970085887 in words is "nine hundred sixteen billion, nine hundred seventy million, eighty-five thousand, eight hundred eighty-seven".