6988077 has 6 divisors (see below), whose sum is σ = 10093902. Its totient is φ = 4658712.

The previous prime is 6988073. The next prime is 6988123. The reversal of 6988077 is 7708896.

It can be written as a sum of positive squares in only one way, i.e., 6702921 + 285156 = 2589^2 + 534^2 .

It is not a de Polignac number, because 6988077 - 2² = 6988073 is a prime.

6988077 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6988073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 388218 + ... + 388235.

It is an arithmetic number, because the mean of its divisors is an integer number (1682317).

Almost surely, 2^6988077 is an apocalyptic number.

It is an amenable number.

6988077 is a deficient number, since it is larger than the sum of its proper divisors (3105825).

6988077 is a wasteful number, since it uses less digits than its factorization.

6988077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776459 (or 776456 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 6988077 is about 2643.4971155649. The cubic root of 6988077 is about 191.1844476096.

The spelling of 6988077 in words is "six million, nine hundred eighty-eight thousand, seventy-seven".