47137277 has 16 divisors (see below), whose sum is σ = 55121472. Its totient is φ = 39832320.

The previous prime is 47137261. The next prime is 47137289. The reversal of 47137277 is 77273174.

It is a happy number.

It is not a de Polignac number, because 47137277 - 2⁴ = 47137261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47137277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47137477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14003 + ... + 17039.

It is an arithmetic number, because the mean of its divisors is an integer number (3445092).

Almost surely, 2^47137277 is an apocalyptic number.

It is an amenable number.

47137277 is a deficient number, since it is larger than the sum of its proper divisors (7984195).

47137277 is a wasteful number, since it uses less digits than its factorization.

47137277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3148.

The product of its digits is 57624, while the sum is 38.

The square root of 47137277 is about 6865.6592545800. The cubic root of 47137277 is about 361.2336202628.

The spelling of 47137277 in words is "forty-seven million, one hundred thirty-seven thousand, two hundred seventy-seven".