472457811884187 has 4 divisors (see below), whose sum is σ = 629943749178920. Its totient is φ = 314971874589456.

The previous prime is 472457811884173. The next prime is 472457811884197. The reversal of 472457811884187 is 781488118754274.

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

It is not a de Polignac number, because 472457811884187 - 2⁴ = 472457811884171 is a prime.

It is a super-2 number, since 2×472457811884187² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472457811884137) 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, 78742968647362 + ... + 78742968647367.

It is an arithmetic number, because the mean of its divisors is an integer number (157485937294730).

Almost surely, 2^{472457811884187} is an apocalyptic number.

472457811884187 is a deficient number, since it is larger than the sum of its proper divisors (157485937294733).

472457811884187 is a wasteful number, since it uses less digits than its factorization.

472457811884187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157485937294732.

The product of its digits is 899153920, while the sum is 75.

The spelling of 472457811884187 in words is "four hundred seventy-two trillion, four hundred fifty-seven billion, eight hundred eleven million, eight hundred eighty-four thousand, one hundred eighty-seven".