47711691 has 12 divisors (see below), whose sum is σ = 68994432. Its totient is φ = 31772016.

The previous prime is 47711689. The next prime is 47711701. The reversal of 47711691 is 19611774.

It is not a de Polignac number, because 47711691 - 2¹ = 47711689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47711291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7345 + ... + 12221.

It is an arithmetic number, because the mean of its divisors is an integer number (5749536).

Almost surely, 2^47711691 is an apocalyptic number.

47711691 is a deficient number, since it is larger than the sum of its proper divisors (21282741).

47711691 is a wasteful number, since it uses less digits than its factorization.

47711691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970 (or 5967 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 47711691 is about 6907.3649823938. The cubic root of 47711691 is about 362.6950287833.

The spelling of 47711691 in words is "forty-seven million, seven hundred eleven thousand, six hundred ninety-one".