6662862387 has 36 divisors (see below), whose sum is σ = 10333866760. Its totient is φ = 4242561048.

The previous prime is 6662862383. The next prime is 6662862413. The reversal of 6662862387 is 7832682666.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 6662862387 - 2² = 6662862383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6662862383) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9754948 + ... + 9755630.

Almost surely, 2^6662862387 is an apocalyptic number.

6662862387 is a deficient number, since it is larger than the sum of its proper divisors (3671004373).

6662862387 is an frugal number, since it uses more digits than its factorization.

6662862387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 709 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The square root of 6662862387 is about 81626.3584082985. The cubic root of 6662862387 is about 1881.7139932215.

The spelling of 6662862387 in words is "six billion, six hundred sixty-two million, eight hundred sixty-two thousand, three hundred eighty-seven".