6840777100476 has 96 divisors (see below), whose sum is σ = 17502579763200. Its totient is φ = 2062287691200.

The previous prime is 6840777100463. The next prime is 6840777100481. The reversal of 6840777100476 is 6740017770486.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368031655 + ... + 368050241.

It is an arithmetic number, because the mean of its divisors is an integer number (182318539200).

Almost surely, 2^{6840777100476} is an apocalyptic number.

6840777100476 is a gapful number since it is divisible by the number (66) 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 6840777100476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8751289881600).

6840777100476 is an abundant number, since it is smaller than the sum of its proper divisors (10661802662724).

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

6840777100476 is a wasteful number, since it uses less digits than its factorization.

6840777100476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32815 (or 32813 counting only the distinct ones).

The product of its (nonzero) digits is 11063808, while the sum is 57.

The spelling of 6840777100476 in words is "six trillion, eight hundred forty billion, seven hundred seventy-seven million, one hundred thousand, four hundred seventy-six".