477721662 has 16 divisors (see below), whose sum is σ = 1042301952. Its totient is φ = 144764120.

The previous prime is 477721649. The next prime is 477721663. The reversal of 477721662 is 266127774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477721663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3619038 + ... + 3619169.

It is an arithmetic number, because the mean of its divisors is an integer number (65143872).

Almost surely, 2^477721662 is an apocalyptic number.

477721662 is an abundant number, since it is smaller than the sum of its proper divisors (564580290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

477721662 is a wasteful number, since it uses less digits than its factorization.

477721662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7238223.

The product of its digits is 197568, while the sum is 42.

The square root of 477721662 is about 21856.8447402639. The cubic root of 477721662 is about 781.7327586339.

The spelling of 477721662 in words is "four hundred seventy-seven million, seven hundred twenty-one thousand, six hundred sixty-two".