16987120877 has 8 divisors (see below), whose sum is σ = 17277079680. Its totient is φ = 16697230240.

The previous prime is 16987120859. The next prime is 16987120883. The reversal of 16987120877 is 77802178961.

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 16987120877 - 2²² = 16982926573 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 (16987120837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922553 + ... + 940785.

It is an arithmetic number, because the mean of its divisors is an integer number (2159634960).

Almost surely, 2^16987120877 is an apocalyptic number.

It is an amenable number.

16987120877 is a deficient number, since it is larger than the sum of its proper divisors (289958803).

16987120877 is a wasteful number, since it uses less digits than its factorization.

16987120877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34083.

The product of its (nonzero) digits is 2370816, while the sum is 56.

The spelling of 16987120877 in words is "sixteen billion, nine hundred eighty-seven million, one hundred twenty thousand, eight hundred seventy-seven".