16772831 has 2 divisors, whose sum is σ = 16772832. Its totient is φ = 16772830.

The previous prime is 16772809. The next prime is 16772867. The reversal of 16772831 is 13827761.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16772831 - 2¹⁴ = 16756447 is a prime.

It is a super-2 number, since 2×16772831² = 562655719509122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16772791 and 16772800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16772131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8386415 + 8386416.

It is an arithmetic number, because the mean of its divisors is an integer number (8386416).

Almost surely, 2^16772831 is an apocalyptic number.

16772831 is a deficient number, since it is larger than the sum of its proper divisors (1).

16772831 is an equidigital number, since it uses as much as digits as its factorization.

16772831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 35.

The square root of 16772831 is about 4095.4646866992. The cubic root of 16772831 is about 255.9776947933.

The spelling of 16772831 in words is "sixteen million, seven hundred seventy-two thousand, eight hundred thirty-one".