47071377261 has 8 divisors (see below), whose sum is σ = 69735373760. Its totient is φ = 31380918156.

The previous prime is 47071377257. The next prime is 47071377343. The reversal of 47071377261 is 16277317074.

It is a happy number.

It is not a de Polignac number, because 47071377261 - 2² = 47071377257 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 (47071377361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 871692145 + ... + 871692198.

It is an arithmetic number, because the mean of its divisors is an integer number (8716921720).

Almost surely, 2^47071377261 is an apocalyptic number.

It is an amenable number.

47071377261 is a deficient number, since it is larger than the sum of its proper divisors (22663996499).

47071377261 is a wasteful number, since it uses less digits than its factorization.

47071377261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743384352 (or 1743384346 counting only the distinct ones).

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

The spelling of 47071377261 in words is "forty-seven billion, seventy-one million, three hundred seventy-seven thousand, two hundred sixty-one".