468878257 has 4 divisors (see below), whose sum is σ = 493556080. Its totient is φ = 444200436.

The previous prime is 468878237. The next prime is 468878281. The reversal of 468878257 is 752878864.

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 a cyclic number.

It is not a de Polignac number, because 468878257 - 2⁷ = 468878129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 468878198 and 468878207.

It is not an unprimeable number, because it can be changed into a prime (468878237) 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, 12338883 + ... + 12338920.

It is an arithmetic number, because the mean of its divisors is an integer number (123389020).

Almost surely, 2^468878257 is an apocalyptic number.

It is an amenable number.

468878257 is a deficient number, since it is larger than the sum of its proper divisors (24677823).

468878257 is a wasteful number, since it uses less digits than its factorization.

468878257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24677822.

The product of its digits is 6021120, while the sum is 55.

The square root of 468878257 is about 21653.5968605680. The cubic root of 468878257 is about 776.8789687956.

The spelling of 468878257 in words is "four hundred sixty-eight million, eight hundred seventy-eight thousand, two hundred fifty-seven".