487860817653 has 48 divisors (see below), whose sum is σ = 787983723072. Its totient is φ = 288284640000.

The previous prime is 487860817637. The next prime is 487860817709. The reversal of 487860817653 is 356718068784.

487860817653 is a `hidden beast` number, since 4 + 8 + 7 + 8 + 608 + 17 + 6 + 5 + 3 = 666.

It is not a de Polignac number, because 487860817653 - 2⁴ = 487860817637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487860817453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6730303 + ... + 6802403.

It is an arithmetic number, because the mean of its divisors is an integer number (16416327564).

Almost surely, 2^487860817653 is an apocalyptic number.

It is an amenable number.

487860817653 is a deficient number, since it is larger than the sum of its proper divisors (300122905419).

487860817653 is a wasteful number, since it uses less digits than its factorization.

487860817653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73826 (or 73823 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 63.

The spelling of 487860817653 in words is "four hundred eighty-seven billion, eight hundred sixty million, eight hundred seventeen thousand, six hundred fifty-three".