487763481 has 4 divisors (see below), whose sum is σ = 650351312. Its totient is φ = 325175652.

The previous prime is 487763477. The next prime is 487763501. The reversal of 487763481 is 184367784.

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 not a de Polignac number, because 487763481 - 2² = 487763477 is a prime.

It is a super-2 number, since 2×487763481² = 475826426794474722, which contains 22 as substring.

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 487763481.

It is not an unprimeable number, because it can be changed into a prime (487763411) 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, 81293911 + ... + 81293916.

It is an arithmetic number, because the mean of its divisors is an integer number (162587828).

Almost surely, 2^487763481 is an apocalyptic number.

It is an amenable number.

487763481 is a deficient number, since it is larger than the sum of its proper divisors (162587831).

487763481 is a wasteful number, since it uses less digits than its factorization.

487763481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162587830.

The product of its digits is 903168, while the sum is 48.

The square root of 487763481 is about 22085.3680295348. The cubic root of 487763481 is about 787.1722225718.

The spelling of 487763481 in words is "four hundred eighty-seven million, seven hundred sixty-three thousand, four hundred eighty-one".