468478387 has 4 divisors (see below), whose sum is σ = 504515200. Its totient is φ = 432441576.

The previous prime is 468478379. The next prime is 468478393. The reversal of 468478387 is 783874864.

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 468478387 - 2³ = 468478379 is a prime.

It is a super-2 number, since 2×468478387² = 438943998172243538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (468478327) 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, 18018387 + ... + 18018412.

It is an arithmetic number, because the mean of its divisors is an integer number (126128800).

Almost surely, 2^468478387 is an apocalyptic number.

468478387 is a deficient number, since it is larger than the sum of its proper divisors (36036813).

468478387 is a wasteful number, since it uses less digits than its factorization.

468478387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36036812.

The product of its digits is 7225344, while the sum is 55.

The square root of 468478387 is about 21644.3615521456. The cubic root of 468478387 is about 776.6580593232.

The spelling of 468478387 in words is "four hundred sixty-eight million, four hundred seventy-eight thousand, three hundred eighty-seven".