461877081 has 8 divisors (see below), whose sum is σ = 624510144. Its totient is φ = 303581040.

The previous prime is 461877047. The next prime is 461877083. The reversal of 461877081 is 180778164.

It is a happy number.

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

It is not a de Polignac number, because 461877081 - 2¹⁴ = 461860697 is a prime.

It is a super-2 number, since 2×461877081² = 426660875906161122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (461877083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084006 + ... + 1084431.

It is an arithmetic number, because the mean of its divisors is an integer number (78063768).

Almost surely, 2^461877081 is an apocalyptic number.

It is an amenable number.

461877081 is a deficient number, since it is larger than the sum of its proper divisors (162633063).

461877081 is a wasteful number, since it uses less digits than its factorization.

461877081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168511.

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

The square root of 461877081 is about 21491.3257152741. The cubic root of 461877081 is about 772.9928393328.

The spelling of 461877081 in words is "four hundred sixty-one million, eight hundred seventy-seven thousand, eighty-one".