461886487 has 2 divisors, whose sum is σ = 461886488. Its totient is φ = 461886486.

The previous prime is 461886473. The next prime is 461886511. The reversal of 461886487 is 784688164.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461886487 is a prime.

It is a super-3 number, since 3×461886487³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461886407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230943243 + 230943244.

It is an arithmetic number, because the mean of its divisors is an integer number (230943244).

Almost surely, 2^461886487 is an apocalyptic number.

461886487 is a deficient number, since it is larger than the sum of its proper divisors (1).

461886487 is an equidigital number, since it uses as much as digits as its factorization.

461886487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2064384, while the sum is 52.

The square root of 461886487 is about 21491.5445466351. The cubic root of 461886487 is about 772.9980865595.

The spelling of 461886487 in words is "four hundred sixty-one million, eight hundred eighty-six thousand, four hundred eighty-seven".