6311107477 has 4 divisors (see below), whose sum is σ = 6313521676. Its totient is φ = 6308693280.

The previous prime is 6311107403. The next prime is 6311107487. The reversal of 6311107477 is 7747011136.

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 4206041316 + 2105066161 = 64854^2 + 45881^2 .

It is a cyclic number.

It is not a de Polignac number, because 6311107477 - 2¹⁵ = 6311074709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6311107487) 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, 1203174 + ... + 1208407.

It is an arithmetic number, because the mean of its divisors is an integer number (1578380419).

Almost surely, 2^6311107477 is an apocalyptic number.

It is an amenable number.

6311107477 is a deficient number, since it is larger than the sum of its proper divisors (2414199).

6311107477 is a wasteful number, since it uses less digits than its factorization.

6311107477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2414198.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 6311107477 is about 79442.4790461627. The cubic root of 6311107477 is about 1847.9995397894. Note that the first 3 decimals are identical.

The spelling of 6311107477 in words is "six billion, three hundred eleven million, one hundred seven thousand, four hundred seventy-seven".