471571161387 has 4 divisors (see below), whose sum is σ = 628761548520. Its totient is φ = 314380774256.

The previous prime is 471571161323. The next prime is 471571161389. The reversal of 471571161387 is 783161175174.

It is a happy number.

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 471571161387 - 2⁶ = 471571161323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (471571161389) 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, 78595193562 + ... + 78595193567.

It is an arithmetic number, because the mean of its divisors is an integer number (157190387130).

Almost surely, 2^471571161387 is an apocalyptic number.

471571161387 is a deficient number, since it is larger than the sum of its proper divisors (157190387133).

471571161387 is a wasteful number, since it uses less digits than its factorization.

471571161387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157190387132.

The product of its digits is 987840, while the sum is 51.

The spelling of 471571161387 in words is "four hundred seventy-one billion, five hundred seventy-one million, one hundred sixty-one thousand, three hundred eighty-seven".