6977887842 has 8 divisors (see below), whose sum is σ = 13955775696. Its totient is φ = 2325962612.

The previous prime is 6977887841. The next prime is 6977887843. The reversal of 6977887842 is 2487887796.

It is an interprime number because it is at equal distance from previous prime (6977887841) and next prime (6977887843).

It is a sphenic number, since it is the product of 3 distinct primes.

6977887842 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (6977887841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 581490648 + ... + 581490659.

It is an arithmetic number, because the mean of its divisors is an integer number (1744471962).

Almost surely, 2^6977887842 is an apocalyptic number.

6977887842 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

6977887842 is a wasteful number, since it uses less digits than its factorization.

6977887842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1162981312.

The product of its digits is 75866112, while the sum is 66.

The square root of 6977887842 is about 83533.7527111047. The cubic root of 6977887842 is about 1910.9148182927.

The spelling of 6977887842 in words is "six billion, nine hundred seventy-seven million, eight hundred eighty-seven thousand, eight hundred forty-two".