47976669 has 24 divisors (see below), whose sum is σ = 79023672. Its totient is φ = 27786240.

The previous prime is 47976647. The next prime is 47976671. The reversal of 47976669 is 96667974.

47976669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2576025 + 45400644 = 1605^2 + 6738^2 .

It is not a de Polignac number, because 47976669 - 2¹³ = 47968477 is a prime.

It is a super-2 number, since 2×47976669² = 4603521536671122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47976629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10072 + ... + 14049.

It is an arithmetic number, because the mean of its divisors is an integer number (3292653).

Almost surely, 2^47976669 is an apocalyptic number.

It is an amenable number.

47976669 is a deficient number, since it is larger than the sum of its proper divisors (31047003).

47976669 is a wasteful number, since it uses less digits than its factorization.

47976669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24157 (or 24154 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 54.

The square root of 47976669 is about 6926.5192557301. The cubic root of 47976669 is about 363.3652267452.

The spelling of 47976669 in words is "forty-seven million, nine hundred seventy-six thousand, six hundred sixty-nine".