916977823409 has 8 divisors (see below), whose sum is σ = 920258198112. Its totient is φ = 913697732160.

The previous prime is 916977823373. The next prime is 916977823427. The reversal of 916977823409 is 904328779619.

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 916977823409 - 2¹⁶ = 916977757873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (916937823409) 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 7 ways as a sum of consecutive naturals, for example, 8080754 + ... + 8193444.

It is an arithmetic number, because the mean of its divisors is an integer number (115032274764).

Almost surely, 2^916977823409 is an apocalyptic number.

It is an amenable number.

916977823409 is a deficient number, since it is larger than the sum of its proper divisors (3280374703).

916977823409 is a wasteful number, since it uses less digits than its factorization.

916977823409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141727.

The product of its (nonzero) digits is 41150592, while the sum is 65.

The spelling of 916977823409 in words is "nine hundred sixteen billion, nine hundred seventy-seven million, eight hundred twenty-three thousand, four hundred nine".