66334887 has 6 divisors (see below), whose sum is σ = 95817072. Its totient is φ = 44223252.

The previous prime is 66334841. The next prime is 66334903. The reversal of 66334887 is 78843366.

66334887 is a `hidden beast` number, since 6 + 633 + 4 + 8 + 8 + 7 = 666.

It is not a de Polignac number, because 66334887 - 2¹² = 66330791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66333887) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3685263 + ... + 3685280.

It is an arithmetic number, because the mean of its divisors is an integer number (15969512).

Almost surely, 2^66334887 is an apocalyptic number.

66334887 is a deficient number, since it is larger than the sum of its proper divisors (29482185).

66334887 is a wasteful number, since it uses less digits than its factorization.

66334887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370549 (or 7370546 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 66334887 is about 8144.6231957040. The cubic root of 66334887 is about 404.8063637674.

The spelling of 66334887 in words is "sixty-six million, three hundred thirty-four thousand, eight hundred eighty-seven".