463087861 has 2 divisors, whose sum is σ = 463087862. Its totient is φ = 463087860.

The previous prime is 463087843. The next prime is 463087883. The reversal of 463087861 is 168780364.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 305585361 + 157502500 = 17481^2 + 12550^2 .

It is a cyclic number.

It is not a de Polignac number, because 463087861 - 2⁵ = 463087829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (463087831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 231543930 + 231543931.

It is an arithmetic number, because the mean of its divisors is an integer number (231543931).

Almost surely, 2^463087861 is an apocalyptic number.

It is an amenable number.

463087861 is a deficient number, since it is larger than the sum of its proper divisors (1).

463087861 is an equidigital number, since it uses as much as digits as its factorization.

463087861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 463087861 is about 21519.4763179776. The cubic root of 463087861 is about 773.6676997206.

The spelling of 463087861 in words is "four hundred sixty-three million, eighty-seven thousand, eight hundred sixty-one".