47971515068 has 24 divisors (see below), whose sum is σ = 86699706240. Its totient is φ = 23200911360.

The previous prime is 47971515061. The next prime is 47971515071. The reversal of 47971515068 is 86051517974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47971515061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170468 + ... + 353556.

It is an arithmetic number, because the mean of its divisors is an integer number (3612487760).

Almost surely, 2^47971515068 is an apocalyptic number.

It is an amenable number.

47971515068 is a deficient number, since it is larger than the sum of its proper divisors (38728191172).

47971515068 is a wasteful number, since it uses less digits than its factorization.

47971515068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185237 (or 185235 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 53.

The spelling of 47971515068 in words is "forty-seven billion, nine hundred seventy-one million, five hundred fifteen thousand, sixty-eight".