461777090 has 8 divisors (see below), whose sum is σ = 831198780. Its totient is φ = 184710832.

The previous prime is 461777089. The next prime is 461777093. The reversal of 461777090 is 90777164.

It can be written as a sum of positive squares in 2 ways, for example, as 387971809 + 73805281 = 19697^2 + 8591^2 .

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

It is not an unprimeable number, because it can be changed into a prime (461777093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23088845 + ... + 23088864.

Almost surely, 2^461777090 is an apocalyptic number.

461777090 is a deficient number, since it is larger than the sum of its proper divisors (369421690).

461777090 is a wasteful number, since it uses less digits than its factorization.

461777090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46177716.

The product of its (nonzero) digits is 74088, while the sum is 41.

The square root of 461777090 is about 21488.9992787007. Note that the first 3 decimals coincide. The cubic root of 461777090 is about 772.9370539962.

The spelling of 461777090 in words is "four hundred sixty-one million, seven hundred seventy-seven thousand, ninety".