472863387 has 4 divisors (see below), whose sum is σ = 630484520. Its totient is φ = 315242256.

The previous prime is 472863383. The next prime is 472863397. The reversal of 472863387 is 783368274.

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

It is not a de Polignac number, because 472863387 - 2² = 472863383 is a prime.

It is a super-2 number, since 2×472863387² = 447199565530223538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472863383) 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, 78810562 + ... + 78810567.

It is an arithmetic number, because the mean of its divisors is an integer number (157621130).

Almost surely, 2^472863387 is an apocalyptic number.

472863387 is a deficient number, since it is larger than the sum of its proper divisors (157621133).

472863387 is a wasteful number, since it uses less digits than its factorization.

472863387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157621132.

The product of its digits is 1354752, while the sum is 48.

The square root of 472863387 is about 21745.4222079039. The cubic root of 472863387 is about 779.0737344674.

The spelling of 472863387 in words is "four hundred seventy-two million, eight hundred sixty-three thousand, three hundred eighty-seven".