463891797 has 6 divisors (see below), whose sum is σ = 670065942. Its totient is φ = 309261192.

The previous prime is 463891793. The next prime is 463891837. The reversal of 463891797 is 797198364.

It is a happy number.

463891797 is a `hidden beast` number, since 463 + 8 + 9 + 179 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 456634161 + 7257636 = 21369^2 + 2694^2 .

It is not a de Polignac number, because 463891797 - 2² = 463891793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463891793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25771758 + ... + 25771775.

It is an arithmetic number, because the mean of its divisors is an integer number (111677657).

Almost surely, 2^463891797 is an apocalyptic number.

It is an amenable number.

463891797 is a deficient number, since it is larger than the sum of its proper divisors (206174145).

463891797 is a wasteful number, since it uses less digits than its factorization.

463891797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51543539 (or 51543536 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The square root of 463891797 is about 21538.1474830126. The cubic root of 463891797 is about 774.1151452194.

The spelling of 463891797 in words is "four hundred sixty-three million, eight hundred ninety-one thousand, seven hundred ninety-seven".