281116978367 has 8 divisors (see below), whose sum is σ = 281313864720. Its totient is φ = 280920144960.

The previous prime is 281116978309. The next prime is 281116978369. The reversal of 281116978367 is 763879611182.

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 281116978367 - 2²² = 281112784063 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 (281116978369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21746768 + ... + 21759690.

It is an arithmetic number, because the mean of its divisors is an integer number (35164233090).

Almost surely, 2^281116978367 is an apocalyptic number.

281116978367 is a deficient number, since it is larger than the sum of its proper divisors (196886353).

281116978367 is a wasteful number, since it uses less digits than its factorization.

281116978367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26473.

The product of its digits is 6096384, while the sum is 59.

The spelling of 281116978367 in words is "two hundred eighty-one billion, one hundred sixteen million, nine hundred seventy-eight thousand, three hundred sixty-seven".