47418361977 has 12 divisors (see below), whose sum is σ = 73546847376. Its totient is φ = 27096206760.

The previous prime is 47418361967. The next prime is 47418362029. The reversal of 47418361977 is 77916381474.

It is not a de Polignac number, because 47418361977 - 2⁴ = 47418361961 is a prime.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (47418361967) 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, 161286799 + ... + 161287092.

It is an arithmetic number, because the mean of its divisors is an integer number (6128903948).

Almost surely, 2^47418361977 is an apocalyptic number.

It is an amenable number.

47418361977 is a deficient number, since it is larger than the sum of its proper divisors (26128485399).

47418361977 is a wasteful number, since it uses less digits than its factorization.

47418361977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322573908 (or 322573901 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 57.

The spelling of 47418361977 in words is "forty-seven billion, four hundred eighteen million, three hundred sixty-one thousand, nine hundred seventy-seven".