662697479 has 8 divisors (see below), whose sum is σ = 666247680. Its totient is φ = 659155000.

The previous prime is 662697463. The next prime is 662697493. The reversal of 662697479 is 974796266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 662697479 - 2⁴ = 662697463 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 (662697439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254474 + ... + 257064.

It is an arithmetic number, because the mean of its divisors is an integer number (83280960).

Almost surely, 2^662697479 is an apocalyptic number.

662697479 is a deficient number, since it is larger than the sum of its proper divisors (3550201).

662697479 is a wasteful number, since it uses less digits than its factorization.

662697479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861.

The product of its digits is 6858432, while the sum is 56.

The square root of 662697479 is about 25742.9112378534. The cubic root of 662697479 is about 871.8433102120.

The spelling of 662697479 in words is "six hundred sixty-two million, six hundred ninety-seven thousand, four hundred seventy-nine".