6118898977 has 4 divisors (see below), whose sum is σ = 6145160580. Its totient is φ = 6092637376.

The previous prime is 6118898963. The next prime is 6118898983. The reversal of 6118898977 is 7798988116.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2842595856 + 3276303121 = 53316^2 + 57239^2 .

It is a cyclic number.

It is not a de Polignac number, because 6118898977 - 2¹¹ = 6118896929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6118898987) 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, 13130452 + ... + 13130917.

It is an arithmetic number, because the mean of its divisors is an integer number (1536290145).

Almost surely, 2^6118898977 is an apocalyptic number.

It is an amenable number.

6118898977 is a deficient number, since it is larger than the sum of its proper divisors (26261603).

6118898977 is a wasteful number, since it uses less digits than its factorization.

6118898977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26261602.

The product of its digits is 12192768, while the sum is 64.

The square root of 6118898977 is about 78223.3914951276. The cubic root of 6118898977 is about 1829.0451563690.

The spelling of 6118898977 in words is "six billion, one hundred eighteen million, eight hundred ninety-eight thousand, nine hundred seventy-seven".