47640031711 has 4 divisors (see below), whose sum is σ = 47641345992. Its totient is φ = 47638717432.

The previous prime is 47640031657. The next prime is 47640031781. The reversal of 47640031711 is 11713004674.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47640031711 - 2¹⁷ = 47639900639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47640031781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601180 + ... + 675793.

It is an arithmetic number, because the mean of its divisors is an integer number (11910336498).

Almost surely, 2^47640031711 is an apocalyptic number.

47640031711 is a deficient number, since it is larger than the sum of its proper divisors (1314281).

47640031711 is a wasteful number, since it uses less digits than its factorization.

47640031711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314280.

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 47640031711 in words is "forty-seven billion, six hundred forty million, thirty-one thousand, seven hundred eleven".