47172512207 has 4 divisors (see below), whose sum is σ = 47176083240. Its totient is φ = 47168941176.

The previous prime is 47172512201. The next prime is 47172512227. The reversal of 47172512207 is 70221527174.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47172512207 - 2¹² = 47172508111 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 (47172512201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1765628 + ... + 1792145.

It is an arithmetic number, because the mean of its divisors is an integer number (11794020810).

Almost surely, 2^47172512207 is an apocalyptic number.

47172512207 is a deficient number, since it is larger than the sum of its proper divisors (3571033).

47172512207 is a wasteful number, since it uses less digits than its factorization.

47172512207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3571032.

The product of its (nonzero) digits is 54880, while the sum is 38.

The spelling of 47172512207 in words is "forty-seven billion, one hundred seventy-two million, five hundred twelve thousand, two hundred seven".