662896867 has 4 divisors (see below), whose sum is σ = 671977720. Its totient is φ = 653816016.

The previous prime is 662896841. The next prime is 662896879. The reversal of 662896867 is 768698266.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-662896867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662896807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4540317 + ... + 4540462.

It is an arithmetic number, because the mean of its divisors is an integer number (167994430).

Almost surely, 2^662896867 is an apocalyptic number.

662896867 is a deficient number, since it is larger than the sum of its proper divisors (9080853).

662896867 is an equidigital number, since it uses as much as digits as its factorization.

662896867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9080852.

The product of its digits is 10450944, while the sum is 58.

The square root of 662896867 is about 25746.7836243675. The cubic root of 662896867 is about 871.9307395787.

The spelling of 662896867 in words is "six hundred sixty-two million, eight hundred ninety-six thousand, eight hundred sixty-seven".