16277855859 has 12 divisors (see below), whose sum is σ = 23754856216. Its totient is φ = 10740028032.

The previous prime is 16277855819. The next prime is 16277855879. The reversal of 16277855859 is 95855877261.

16277855859 is a `hidden beast` number, since 1 + 6 + 2 + 7 + 78 + 558 + 5 + 9 = 666.

It is not a de Polignac number, because 16277855859 - 2¹¹ = 16277853811 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16277855796 and 16277855805.

It is not an unprimeable number, because it can be changed into a prime (16277855809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9322069 + ... + 9323814.

Almost surely, 2^16277855859 is an apocalyptic number.

16277855859 is a deficient number, since it is larger than the sum of its proper divisors (7477000357).

16277855859 is a wasteful number, since it uses less digits than its factorization.

16277855859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18645986 (or 18645983 counting only the distinct ones).

The product of its digits is 42336000, while the sum is 63.

The spelling of 16277855859 in words is "sixteen billion, two hundred seventy-seven million, eight hundred fifty-five thousand, eight hundred fifty-nine".