47146387968 has 60 divisors (see below), whose sum is σ = 136067681178. Its totient is φ = 15715461120.

The previous prime is 47146387931. The next prime is 47146387973. The reversal of 47146387968 is 86978364174.

47146387968 is a `hidden beast` number, since 4 + 7 + 1 + 463 + 87 + 96 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46635266304 + 511121664 = 215952^2 + 22608^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5111103 + ... + 5120318.

Almost surely, 2^47146387968 is an apocalyptic number.

47146387968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

47146387968 is an abundant number, since it is smaller than the sum of its proper divisors (88921293210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47146387968 is a wasteful number, since it uses less digits than its factorization.

47146387968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10231445 (or 10231426 counting only the distinct ones).

The product of its digits is 48771072, while the sum is 63.

The spelling of 47146387968 in words is "forty-seven billion, one hundred forty-six million, three hundred eighty-seven thousand, nine hundred sixty-eight".