675487387 has 4 divisors (see below), whose sum is σ = 691196440. Its totient is φ = 659778336.

The previous prime is 675487349. The next prime is 675487399. The reversal of 675487387 is 783784576.

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 675487387 - 2¹¹ = 675485339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675487327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7854462 + ... + 7854547.

It is an arithmetic number, because the mean of its divisors is an integer number (172799110).

Almost surely, 2^675487387 is an apocalyptic number.

675487387 is a deficient number, since it is larger than the sum of its proper divisors (15709053).

675487387 is a wasteful number, since it uses less digits than its factorization.

675487387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15709052.

The product of its digits is 7902720, while the sum is 55.

The square root of 675487387 is about 25990.1401881560. The cubic root of 675487387 is about 877.4164007770.

The spelling of 675487387 in words is "six hundred seventy-five million, four hundred eighty-seven thousand, three hundred eighty-seven".