461817870 has 16 divisors (see below), whose sum is σ = 1108362960. Its totient is φ = 123151424.

The previous prime is 461817859. The next prime is 461817887. The reversal of 461817870 is 78718164.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7696935 + ... + 7696994.

It is an arithmetic number, because the mean of its divisors is an integer number (69272685).

Almost surely, 2^461817870 is an apocalyptic number.

461817870 is an abundant number, since it is smaller than the sum of its proper divisors (646545090).

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

461817870 is a wasteful number, since it uses less digits than its factorization.

461817870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15393939.

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 461817870 is about 21489.9481153399. The cubic root of 461817870 is about 772.9598062764.

The spelling of 461817870 in words is "four hundred sixty-one million, eight hundred seventeen thousand, eight hundred seventy".