472978319 has 8 divisors (see below), whose sum is σ = 516926208. Its totient is φ = 429188760.

The previous prime is 472978291. The next prime is 472978321. The reversal of 472978319 is 913879274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-472978319 is a prime.

It is a super-2 number, since 2×472978319² = 447416980488131522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472978339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33287 + ... + 45320.

It is an arithmetic number, because the mean of its divisors is an integer number (64615776).

Almost surely, 2^472978319 is an apocalyptic number.

472978319 is a deficient number, since it is larger than the sum of its proper divisors (43947889).

472978319 is a wasteful number, since it uses less digits than its factorization.

472978319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79165.

The product of its digits is 762048, while the sum is 50.

The square root of 472978319 is about 21748.0647184985. The cubic root of 472978319 is about 779.1368487139.

The spelling of 472978319 in words is "four hundred seventy-two million, nine hundred seventy-eight thousand, three hundred nineteen".