6650477 has 4 divisors (see below), whose sum is σ = 6701376. Its totient is φ = 6599580.

The previous prime is 6650467. The next prime is 6650503. The reversal of 6650477 is 7740566.

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: 7740566 = 2 ⋅3870283.

It is a cyclic number.

It is not a de Polignac number, because 6650477 - 2¹⁰ = 6649453 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 (6650467) 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, 25253 + ... + 25514.

It is an arithmetic number, because the mean of its divisors is an integer number (1675344).

Almost surely, 2^6650477 is an apocalyptic number.

It is an amenable number.

6650477 is a deficient number, since it is larger than the sum of its proper divisors (50899).

6650477 is a wasteful number, since it uses less digits than its factorization.

6650477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50898.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 6650477 is about 2578.8518763202. The cubic root of 6650477 is about 188.0547316880.

The spelling of 6650477 in words is "six million, six hundred fifty thousand, four hundred seventy-seven".