487878553 has 4 divisors (see below), whose sum is σ = 509090688. Its totient is φ = 466666420.

The previous prime is 487878551. The next prime is 487878619. The reversal of 487878553 is 355878784.

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 487878553 - 2¹ = 487878551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 487878494 and 487878503.

It is not an unprimeable number, because it can be changed into a prime (487878551) 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, 10606033 + ... + 10606078.

It is an arithmetic number, because the mean of its divisors is an integer number (127272672).

Almost surely, 2^487878553 is an apocalyptic number.

It is an amenable number.

487878553 is a deficient number, since it is larger than the sum of its proper divisors (21212135).

487878553 is a wasteful number, since it uses less digits than its factorization.

487878553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21212134.

The product of its digits is 7526400, while the sum is 55.

The square root of 487878553 is about 22087.9730396431. The cubic root of 487878553 is about 787.2341203038.

The spelling of 487878553 in words is "four hundred eighty-seven million, eight hundred seventy-eight thousand, five hundred fifty-three".