47664351 has 24 divisors (see below), whose sum is σ = 79264640. Its totient is φ = 27035856.

The previous prime is 47664343. The next prime is 47664367. The reversal of 47664351 is 15346674.

It is a happy number.

47664351 is a `hidden beast` number, since 4 + 7 + 6 + 643 + 5 + 1 = 666.

It is not a de Polignac number, because 47664351 - 2³ = 47664343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47644351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6036 + ... + 11478.

Almost surely, 2^47664351 is an apocalyptic number.

47664351 is a deficient number, since it is larger than the sum of its proper divisors (31600289).

47664351 is a wasteful number, since it uses less digits than its factorization.

47664351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5595 (or 5592 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 47664351 is about 6903.9373548722. The cubic root of 47664351 is about 362.5750325855.

The spelling of 47664351 in words is "forty-seven million, six hundred sixty-four thousand, three hundred fifty-one".