6860078820 has 144 divisors (see below), whose sum is σ = 25033357440. Its totient is φ = 1485485568.

The previous prime is 6860078809. The next prime is 6860078851. The reversal of 6860078820 is 288700686.

It is a super-2 number, since 2×6860078820² = 94121362833225184800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 119337 + ... + 167216.

It is an arithmetic number, because the mean of its divisors is an integer number (173842760).

Almost surely, 2^6860078820 is an apocalyptic number.

6860078820 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6860078820 is an abundant number, since it is smaller than the sum of its proper divisors (18173278620).

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

6860078820 is a wasteful number, since it uses less digits than its factorization.

6860078820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286594 (or 286589 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 6860078820 is about 82825.5927838733. The cubic root of 6860078820 is about 1900.0996088129.

The spelling of 6860078820 in words is "six billion, eight hundred sixty million, seventy-eight thousand, eight hundred twenty".