16479677 has 4 divisors (see below), whose sum is σ = 16705500. Its totient is φ = 16253856.

The previous prime is 16479667. The next prime is 16479709. The reversal of 16479677 is 77697461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10666756 + 5812921 = 3266^2 + 2411^2 .

It is a cyclic number.

It is not a de Polignac number, because 16479677 - 2¹⁸ = 16217533 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 (16479607) 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, 112802 + ... + 112947.

It is an arithmetic number, because the mean of its divisors is an integer number (4176375).

Almost surely, 2^16479677 is an apocalyptic number.

It is an amenable number.

16479677 is a deficient number, since it is larger than the sum of its proper divisors (225823).

16479677 is an equidigital number, since it uses as much as digits as its factorization.

16479677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225822.

The product of its digits is 444528, while the sum is 47.

The square root of 16479677 is about 4059.5168431723. The cubic root of 16479677 is about 254.4776028450.

The spelling of 16479677 in words is "sixteen million, four hundred seventy-nine thousand, six hundred seventy-seven".