47146387967 has 12 divisors (see below), whose sum is σ = 55103692536. Its totient is φ = 40219658640.

The previous prime is 47146387931. The next prime is 47146387973. The reversal of 47146387967 is 76978364174.

It is a de Polignac number, because none of the positive numbers 2^k-47146387967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47146387907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2269688 + ... + 2290365.

It is an arithmetic number, because the mean of its divisors is an integer number (4591974378).

Almost surely, 2^47146387967 is an apocalyptic number.

47146387967 is a deficient number, since it is larger than the sum of its proper divisors (7957304569).

47146387967 is a wasteful number, since it uses less digits than its factorization.

47146387967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560278 (or 4560271 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 62.

The spelling of 47146387967 in words is "forty-seven billion, one hundred forty-six million, three hundred eighty-seven thousand, nine hundred sixty-seven".