47677716 has 18 divisors (see below), whose sum is σ = 120518762. Its totient is φ = 15892560.

The previous prime is 47677709. The next prime is 47677717. The reversal of 47677716 is 61777674.

It can be written as a sum of positive squares in only one way, i.e., 46867716 + 810000 = 6846^2 + 900^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47677717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 662155 + ... + 662226.

Almost surely, 2^47677716 is an apocalyptic number.

It is an amenable number.

47677716 is an abundant number, since it is smaller than the sum of its proper divisors (72841046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47677716 is a wasteful number, since it uses less digits than its factorization.

47677716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324391 (or 1324386 counting only the distinct ones).

The product of its digits is 345744, while the sum is 45.

The square root of 47677716 is about 6904.9052129627. The cubic root of 47677716 is about 362.6089178853.

The spelling of 47677716 in words is "forty-seven million, six hundred seventy-seven thousand, seven hundred sixteen".