6977887794 has 48 divisors (see below), whose sum is σ = 15547721280. Its totient is φ = 2260133280.

The previous prime is 6977887691. The next prime is 6977887841. The reversal of 6977887794 is 4977887796.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 533667 + ... + 546585.

It is an arithmetic number, because the mean of its divisors is an integer number (323910860).

Almost surely, 2^6977887794 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6977887794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7773860640).

6977887794 is an abundant number, since it is smaller than the sum of its proper divisors (8569833486).

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

6977887794 is a wasteful number, since it uses less digits than its factorization.

6977887794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13775 (or 13772 counting only the distinct ones).

The product of its digits is 298722816, while the sum is 72.

The square root of 6977887794 is about 83533.7524237957. The cubic root of 6977887794 is about 1910.9148139110.

The spelling of 6977887794 in words is "six billion, nine hundred seventy-seven million, eight hundred eighty-seven thousand, seven hundred ninety-four".