5487253777 has 4 divisors (see below), whose sum is σ = 5522204596. Its totient is φ = 5452302960.

The previous prime is 5487253757. The next prime is 5487253801. The reversal of 5487253777 is 7773527845.

It is a Cunningham number, because it is equal to 74076²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7773527845 = 5 ⋅1554705569.

It can be written as a sum of positive squares in 2 ways, for example, as 1608330816 + 3878922961 = 40104^2 + 62281^2 .

It is a cyclic number.

It is not a de Polignac number, because 5487253777 - 2¹⁵ = 5487221009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5487253757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17475174 + ... + 17475487.

It is an arithmetic number, because the mean of its divisors is an integer number (1380551149).

Almost surely, 2^5487253777 is an apocalyptic number.

It is an amenable number.

5487253777 is a deficient number, since it is larger than the sum of its proper divisors (34950819).

5487253777 is a wasteful number, since it uses less digits than its factorization.

5487253777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34950818.

The product of its digits is 11524800, while the sum is 55.

The square root of 5487253777 is about 74076.0000067498. Note that the first 5 decimals coincide. The cubic root of 5487253777 is about 1763.8095187744.

The spelling of 5487253777 in words is "five billion, four hundred eighty-seven million, two hundred fifty-three thousand, seven hundred seventy-seven".