547275987 has 16 divisors (see below), whose sum is σ = 811195680. Its totient is φ = 364663296.

The previous prime is 547275959. The next prime is 547276001. The reversal of 547275987 is 789572745.

It is a happy number.

547275987 is a `hidden beast` number, since 5 + 47 + 2 + 7 + 598 + 7 = 666.

It is not a de Polignac number, because 547275987 - 2¹¹ = 547273939 is a prime.

It is a super-2 number, since 2×547275987² = 599022011893648338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (547275887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66103 + ... + 73919.

It is an arithmetic number, because the mean of its divisors is an integer number (50699730).

Almost surely, 2^547275987 is an apocalyptic number.

547275987 is a deficient number, since it is larger than the sum of its proper divisors (263919693).

547275987 is a wasteful number, since it uses less digits than its factorization.

547275987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10419 (or 10413 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 54.

The square root of 547275987 is about 23393.9305590147. The cubic root of 547275987 is about 817.9663999645.

The spelling of 547275987 in words is "five hundred forty-seven million, two hundred seventy-five thousand, nine hundred eighty-seven".