487497851 has 4 divisors (see below), whose sum is σ = 487617672. Its totient is φ = 487378032.

The previous prime is 487497841. The next prime is 487497853. The reversal of 487497851 is 158794784.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 487497851 - 2²⁶ = 420388987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 487497793 and 487497802.

It is not an unprimeable number, because it can be changed into a prime (487497853) 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, 53585 + ... + 62018.

It is an arithmetic number, because the mean of its divisors is an integer number (121904418).

Almost surely, 2^487497851 is an apocalyptic number.

487497851 is a deficient number, since it is larger than the sum of its proper divisors (119821).

487497851 is a wasteful number, since it uses less digits than its factorization.

487497851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119820.

The product of its digits is 2257920, while the sum is 53.

The square root of 487497851 is about 22079.3535004991. The cubic root of 487497851 is about 787.0293018501.

The spelling of 487497851 in words is "four hundred eighty-seven million, four hundred ninety-seven thousand, eight hundred fifty-one".