662655447 has 6 divisors (see below), whose sum is σ = 957168992. Its totient is φ = 441770292.

The previous prime is 662655443. The next prime is 662655451. The reversal of 662655447 is 744556266.

It is an interprime number because it is at equal distance from previous prime (662655443) and next prime (662655451).

It is not a de Polignac number, because 662655447 - 2² = 662655443 is a prime.

It is a super-2 number, since 2×662655447² = 878224482877539618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662655443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36814183 + ... + 36814200.

Almost surely, 2^662655447 is an apocalyptic number.

662655447 is a deficient number, since it is larger than the sum of its proper divisors (294513545).

662655447 is a wasteful number, since it uses less digits than its factorization.

662655447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73628389 (or 73628386 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 45.

The square root of 662655447 is about 25742.0948448257. The cubic root of 662655447 is about 871.8248774207.

The spelling of 662655447 in words is "six hundred sixty-two million, six hundred fifty-five thousand, four hundred forty-seven".