16427377 has 2 divisors, whose sum is σ = 16427378. Its totient is φ = 16427376.

The previous prime is 16427357. The next prime is 16427401. The reversal of 16427377 is 77372461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16353936 + 73441 = 4044^2 + 271^2 .

It is a cyclic number.

It is not a de Polignac number, because 16427377 - 2⁷ = 16427249 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (16427317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8213688 + 8213689.

It is an arithmetic number, because the mean of its divisors is an integer number (8213689).

Almost surely, 2^16427377 is an apocalyptic number.

It is an amenable number.

16427377 is a deficient number, since it is larger than the sum of its proper divisors (1).

16427377 is an equidigital number, since it uses as much as digits as its factorization.

16427377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49392, while the sum is 37.

The square root of 16427377 is about 4053.0700709462. The cubic root of 16427377 is about 254.2081136864.

The spelling of 16427377 in words is "sixteen million, four hundred twenty-seven thousand, three hundred seventy-seven".