466143878 has 4 divisors (see below), whose sum is σ = 699215820. Its totient is φ = 233071938.

The previous prime is 466143827. The next prime is 466143901. The reversal of 466143878 is 878341664.

It is a happy number.

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

It is a super-2 number, since 2×466143878² = 434580229993757768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116535968 + ... + 116535971.

It is an arithmetic number, because the mean of its divisors is an integer number (174803955).

Almost surely, 2^466143878 is an apocalyptic number.

466143878 is a deficient number, since it is larger than the sum of its proper divisors (233071942).

466143878 is a wasteful number, since it uses less digits than its factorization.

466143878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233071941.

The product of its digits is 774144, while the sum is 47.

The square root of 466143878 is about 21590.3653975564. The cubic root of 466143878 is about 775.3658365766.

The spelling of 466143878 in words is "four hundred sixty-six million, one hundred forty-three thousand, eight hundred seventy-eight".