47446420678 has 16 divisors (see below), whose sum is σ = 73120885920. Its totient is φ = 23073278976.

The previous prime is 47446420649. The next prime is 47446420727. The reversal of 47446420678 is 87602464474.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76678 + ... + 317446.

It is an arithmetic number, because the mean of its divisors is an integer number (4570055370).

Almost surely, 2^47446420678 is an apocalyptic number.

47446420678 is a deficient number, since it is larger than the sum of its proper divisors (25674465242).

47446420678 is a wasteful number, since it uses less digits than its factorization.

47446420678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243471.

The product of its (nonzero) digits is 7225344, while the sum is 52.

The spelling of 47446420678 in words is "forty-seven billion, four hundred forty-six million, four hundred twenty thousand, six hundred seventy-eight".