461777620 has 48 divisors (see below), whose sum is σ = 981908928. Its totient is φ = 182407680.

The previous prime is 461777611. The next prime is 461777623. The reversal of 461777620 is 26777164.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461777623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882679 + ... + 883201.

It is an arithmetic number, because the mean of its divisors is an integer number (20456436).

Almost surely, 2^461777620 is an apocalyptic number.

It is an amenable number.

461777620 is an abundant number, since it is smaller than the sum of its proper divisors (520131308).

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

461777620 is a wasteful number, since it uses less digits than its factorization.

461777620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 461777620 is about 21489.0116105883. The cubic root of 461777620 is about 772.9373497063.

The spelling of 461777620 in words is "four hundred sixty-one million, seven hundred seventy-seven thousand, six hundred twenty".