47664862 has 32 divisors (see below), whose sum is σ = 84354048. Its totient is φ = 19777056.

The previous prime is 47664853. The next prime is 47664871. The reversal of 47664862 is 26846674.

It is an interprime number because it is at equal distance from previous prime (47664853) and next prime (47664871).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 70068 + ... + 70744.

It is an arithmetic number, because the mean of its divisors is an integer number (2636064).

Almost surely, 2^47664862 is an apocalyptic number.

47664862 is a deficient number, since it is larger than the sum of its proper divisors (36689186).

47664862 is a wasteful number, since it uses less digits than its factorization.

47664862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its digits is 387072, while the sum is 43.

The square root of 47664862 is about 6903.9743626407. The cubic root of 47664862 is about 362.5763282791.

The spelling of 47664862 in words is "forty-seven million, six hundred sixty-four thousand, eight hundred sixty-two".