71477084243 has 4 divisors (see below), whose sum is σ = 72825708528. Its totient is φ = 70128459960.

The previous prime is 71477084233. The next prime is 71477084281. The reversal of 71477084243 is 34248077417.

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 71477084243 - 2⁶ = 71477084179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71477084233) 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, 674312063 + ... + 674312168.

It is an arithmetic number, because the mean of its divisors is an integer number (18206427132).

Almost surely, 2^71477084243 is an apocalyptic number.

71477084243 is a deficient number, since it is larger than the sum of its proper divisors (1348624285).

71477084243 is a wasteful number, since it uses less digits than its factorization.

71477084243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348624284.

The product of its (nonzero) digits is 1053696, while the sum is 47.

The spelling of 71477084243 in words is "seventy-one billion, four hundred seventy-seven million, eighty-four thousand, two hundred forty-three".