47877755479 has 4 divisors (see below), whose sum is σ = 48689242920. Its totient is φ = 47066268040.

The previous prime is 47877755459. The next prime is 47877755521. The reversal of 47877755479 is 97455777874.

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

It is a cyclic number.

It is not a de Polignac number, because 47877755479 - 2¹¹ = 47877753431 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 (47877755459) 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, 405743632 + ... + 405743749.

It is an arithmetic number, because the mean of its divisors is an integer number (12172310730).

Almost surely, 2^47877755479 is an apocalyptic number.

47877755479 is a deficient number, since it is larger than the sum of its proper divisors (811487441).

47877755479 is an equidigital number, since it uses as much as digits as its factorization.

47877755479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811487440.

The product of its digits is 484041600, while the sum is 70.

The spelling of 47877755479 in words is "forty-seven billion, eight hundred seventy-seven million, seven hundred fifty-five thousand, four hundred seventy-nine".