16477387 has 2 divisors, whose sum is σ = 16477388. Its totient is φ = 16477386.

The previous prime is 16477339. The next prime is 16477393. The reversal of 16477387 is 78377461.

It is a strong prime.

It is an emirp because it is prime and its reverse (78377461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16477387 is a prime.

It is not a weakly prime, because it can be changed into another prime (16477327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8238693 + 8238694.

It is an arithmetic number, because the mean of its divisors is an integer number (8238694).

Almost surely, 2^16477387 is an apocalyptic number.

16477387 is a deficient number, since it is larger than the sum of its proper divisors (1).

16477387 is an equidigital number, since it uses as much as digits as its factorization.

16477387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 43.

The square root of 16477387 is about 4059.2347801033. The cubic root of 16477387 is about 254.4658149783.

The spelling of 16477387 in words is "sixteen million, four hundred seventy-seven thousand, three hundred eighty-seven".