47820705494 has 16 divisors (see below), whose sum is σ = 72661665600. Its totient is φ = 23600338944.

The previous prime is 47820705487. The next prime is 47820705497. The reversal of 47820705494 is 49450702874.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47820705497) 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 7 ways as a sum of consecutive naturals, for example, 480524 + ... + 571440.

It is an arithmetic number, because the mean of its divisors is an integer number (4541354100).

Almost surely, 2^47820705494 is an apocalyptic number.

47820705494 is a deficient number, since it is larger than the sum of its proper divisors (24840960106).

47820705494 is a wasteful number, since it uses less digits than its factorization.

47820705494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94327.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 47820705494 in words is "forty-seven billion, eight hundred twenty million, seven hundred five thousand, four hundred ninety-four".