463387657 has 4 divisors (see below), whose sum is σ = 463470336. Its totient is φ = 463304980.

The previous prime is 463387643. The next prime is 463387663. The reversal of 463387657 is 756783364.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 463387657 - 2¹⁵ = 463354889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 463387657.

It is not an unprimeable number, because it can be changed into a prime (463387157) 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, 32269 + ... + 44362.

It is an arithmetic number, because the mean of its divisors is an integer number (115867584).

Almost surely, 2^463387657 is an apocalyptic number.

It is an amenable number.

463387657 is a deficient number, since it is larger than the sum of its proper divisors (82679).

463387657 is an equidigital number, since it uses as much as digits as its factorization.

463387657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82678.

The product of its digits is 2540160, while the sum is 49.

The square root of 463387657 is about 21526.4408809260. The cubic root of 463387657 is about 773.8346172519.

The spelling of 463387657 in words is "four hundred sixty-three million, three hundred eighty-seven thousand, six hundred fifty-seven".