461054778 has 8 divisors (see below), whose sum is σ = 922109568. Its totient is φ = 153684924.

The previous prime is 461054767. The next prime is 461054809. The reversal of 461054778 is 877450164.

It is a sphenic number, since it is the product of 3 distinct primes.

461054778 is an admirable 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 in 3 ways as a sum of consecutive naturals, for example, 38421226 + ... + 38421237.

It is an arithmetic number, because the mean of its divisors is an integer number (115263696).

Almost surely, 2^461054778 is an apocalyptic number.

461054778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

461054778 is a wasteful number, since it uses less digits than its factorization.

461054778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76842468.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 461054778 is about 21472.1861485970. The cubic root of 461054778 is about 772.5338341503.

The spelling of 461054778 in words is "four hundred sixty-one million, fifty-four thousand, seven hundred seventy-eight".