462641878 has 4 divisors (see below), whose sum is σ = 693962820. Its totient is φ = 231320938.

The previous prime is 462641819. The next prime is 462641897. The reversal of 462641878 is 878146264.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115660468 + ... + 115660471.

It is an arithmetic number, because the mean of its divisors is an integer number (173490705).

Almost surely, 2^462641878 is an apocalyptic number.

462641878 is a deficient number, since it is larger than the sum of its proper divisors (231320942).

462641878 is a wasteful number, since it uses less digits than its factorization.

462641878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231320941.

The product of its digits is 516096, while the sum is 46.

The square root of 462641878 is about 21509.1115111713. Note that the first 3 decimals coincide. The cubic root of 462641878 is about 773.4192562493.

The spelling of 462641878 in words is "four hundred sixty-two million, six hundred forty-one thousand, eight hundred seventy-eight".