16477477 has 4 divisors (see below), whose sum is σ = 16596160. Its totient is φ = 16358796.

The previous prime is 16477459. The next prime is 16477493. The reversal of 16477477 is 77477461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77477461 = 131 ⋅591431.

It is a cyclic number.

It is not a de Polignac number, because 16477477 - 2²³ = 8088869 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 (16477457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59133 + ... + 59410.

It is an arithmetic number, because the mean of its divisors is an integer number (4149040).

Almost surely, 2^16477477 is an apocalyptic number.

It is an amenable number.

16477477 is a deficient number, since it is larger than the sum of its proper divisors (118683).

16477477 is a wasteful number, since it uses less digits than its factorization.

16477477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118682.

The product of its digits is 230496, while the sum is 43.

The square root of 16477477 is about 4059.2458659214. The cubic root of 16477477 is about 254.4662782776.

The spelling of 16477477 in words is "sixteen million, four hundred seventy-seven thousand, four hundred seventy-seven".