5287257477 has 8 divisors (see below), whose sum is σ = 7832974080. Its totient is φ = 3524838300.

The previous prime is 5287257449. The next prime is 5287257551. The reversal of 5287257477 is 7747527825.

5287257477 is a `hidden beast` number, since 52 + 8 + 72 + 57 + 477 = 666.

It is not a de Polignac number, because 5287257477 - 2⁸ = 5287257221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5287257077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97912149 + ... + 97912202.

It is an arithmetic number, because the mean of its divisors is an integer number (979121760).

Almost surely, 2^5287257477 is an apocalyptic number.

It is an amenable number.

5287257477 is a deficient number, since it is larger than the sum of its proper divisors (2545716603).

5287257477 is a wasteful number, since it uses less digits than its factorization.

5287257477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195824360 (or 195824354 counting only the distinct ones).

The product of its digits is 7683200, while the sum is 54.

The square root of 5287257477 is about 72713.5302196228. The cubic root of 5287257477 is about 1742.1149994843.

The spelling of 5287257477 in words is "five billion, two hundred eighty-seven million, two hundred fifty-seven thousand, four hundred seventy-seven".