71845846550 has 24 divisors (see below), whose sum is σ = 134433489456. Its totient is φ = 28566249440.

The previous prime is 71845846531. The next prime is 71845846559. The reversal of 71845846550 is 5564854817.

It is a super-2 number, since 2×71845846550² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 71845846492 and 71845846501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71845846559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4293797 + ... + 4310496.

It is an arithmetic number, because the mean of its divisors is an integer number (5601395394).

Almost surely, 2^71845846550 is an apocalyptic number.

71845846550 is a deficient number, since it is larger than the sum of its proper divisors (62587642906).

71845846550 is a wasteful number, since it uses less digits than its factorization.

71845846550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8604472 (or 8604467 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 53.

The spelling of 71845846550 in words is "seventy-one billion, eight hundred forty-five million, eight hundred forty-six thousand, five hundred fifty".