667004899 has 48 divisors (see below), whose sum is σ = 820765440. Its totient is φ = 536310720.

The previous prime is 667004887. The next prime is 667004917. The reversal of 667004899 is 998400766.

It is not a de Polignac number, because 667004899 - 2⁵ = 667004867 is a prime.

It is a super-3 number, since 3×667004899³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (667004399) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6119257 + ... + 6119365.

It is an arithmetic number, because the mean of its divisors is an integer number (17099280).

Almost surely, 2^667004899 is an apocalyptic number.

667004899 is a deficient number, since it is larger than the sum of its proper divisors (153760541).

667004899 is a wasteful number, since it uses less digits than its factorization.

667004899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 667004899 is about 25826.4379851345. The cubic root of 667004899 is about 873.7281763382.

The spelling of 667004899 in words is "six hundred sixty-seven million, four thousand, eight hundred ninety-nine".