662922387 has 10 divisors (see below), whose sum is σ = 990291588. Its totient is φ = 441948204.

The previous prime is 662922371. The next prime is 662922433. The reversal of 662922387 is 783229266.

It is not a de Polignac number, because 662922387 - 2⁴ = 662922371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (662927387) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4092033 + ... + 4092194.

Almost surely, 2^662922387 is an apocalyptic number.

662922387 is a deficient number, since it is larger than the sum of its proper divisors (327369201).

662922387 is an equidigital number, since it uses as much as digits as its factorization.

662922387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8184239 (or 8184230 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 662922387 is about 25747.2792154822. The cubic root of 662922387 is about 871.9419285424.

The spelling of 662922387 in words is "six hundred sixty-two million, nine hundred twenty-two thousand, three hundred eighty-seven".