6487868654 has 8 divisors (see below), whose sum is σ = 9763095888. Its totient is φ = 3233503360.

The previous prime is 6487868641. The next prime is 6487868657. The reversal of 6487868654 is 4568687846.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6487868657) 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, 5214707 + ... + 5215950.

It is an arithmetic number, because the mean of its divisors is an integer number (1220386986).

Almost surely, 2^6487868654 is an apocalyptic number.

6487868654 is a deficient number, since it is larger than the sum of its proper divisors (3275227234).

6487868654 is a wasteful number, since it uses less digits than its factorization.

6487868654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430970.

The product of its digits is 61931520, while the sum is 62.

The square root of 6487868654 is about 80547.3069320136. The cubic root of 6487868654 is about 1865.0938198603.

The spelling of 6487868654 in words is "six billion, four hundred eighty-seven million, eight hundred sixty-eight thousand, six hundred fifty-four".