474188997 has 4 divisors (see below), whose sum is σ = 632252000. Its totient is φ = 316125996.

The previous prime is 474188971. The next prime is 474189029. The reversal of 474188997 is 799881474.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 474188997 - 2¹¹ = 474186949 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 (474188597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79031497 + ... + 79031502.

It is an arithmetic number, because the mean of its divisors is an integer number (158063000).

Almost surely, 2^474188997 is an apocalyptic number.

It is an amenable number.

474188997 is a deficient number, since it is larger than the sum of its proper divisors (158063003).

474188997 is a wasteful number, since it uses less digits than its factorization.

474188997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158063002.

The product of its digits is 4064256, while the sum is 57.

The square root of 474188997 is about 21775.8810843557. The cubic root of 474188997 is about 779.8010653092.

The spelling of 474188997 in words is "four hundred seventy-four million, one hundred eighty-eight thousand, nine hundred ninety-seven".