6387477660 has 288 divisors, whose sum is σ = 21873825792. Its totient is φ = 1500026880.

The previous prime is 6387477659. The next prime is 6387477709. The reversal of 6387477660 is 667747836.

It is a junction number, because it is equal to n+sod(n) for n = 6387477597 and 6387477606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3306895 + ... + 3308825.

It is an arithmetic number, because the mean of its divisors is an integer number (75950784).

Almost surely, 2^6387477660 is an apocalyptic number.

6387477660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6387477660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10936912896).

6387477660 is an abundant number, since it is smaller than the sum of its proper divisors (15486348132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6387477660 is a wasteful number, since it uses less digits than its factorization.

6387477660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 54.

The square root of 6387477660 is about 79921.6970540541. The cubic root of 6387477660 is about 1855.4238354605.

The spelling of 6387477660 in words is "six billion, three hundred eighty-seven million, four hundred seventy-seven thousand, six hundred sixty".