6860487420 has 72 divisors (see below), whose sum is σ = 20851792416. Its totient is φ = 1825802112.

The previous prime is 6860487419. The next prime is 6860487433. The reversal of 6860487420 is 247840686.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52654 + ... + 128426.

It is an arithmetic number, because the mean of its divisors is an integer number (289608228).

Almost surely, 2^6860487420 is an apocalyptic number.

6860487420 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 6860487420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10425896208).

6860487420 is an abundant number, since it is smaller than the sum of its proper divisors (13991304996).

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

6860487420 is a wasteful number, since it uses less digits than its factorization.

6860487420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76291 (or 76286 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 6860487420 is about 82828.0593760351. The cubic root of 6860487420 is about 1900.1373326403.

The spelling of 6860487420 in words is "six billion, eight hundred sixty million, four hundred eighty-seven thousand, four hundred twenty".