675537987 has 4 divisors (see below), whose sum is σ = 900717320. Its totient is φ = 450358656.

The previous prime is 675537983. The next prime is 675538009. The reversal of 675537987 is 789735576.

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

It is not a de Polignac number, because 675537987 - 2² = 675537983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (675537983) 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, 112589662 + ... + 112589667.

It is an arithmetic number, because the mean of its divisors is an integer number (225179330).

Almost surely, 2^675537987 is an apocalyptic number.

675537987 is a deficient number, since it is larger than the sum of its proper divisors (225179333).

675537987 is a wasteful number, since it uses less digits than its factorization.

675537987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225179332.

The product of its digits is 11113200, while the sum is 57.

The square root of 675537987 is about 25991.1136160035. The cubic root of 675537987 is about 877.4383089884.

The spelling of 675537987 in words is "six hundred seventy-five million, five hundred thirty-seven thousand, nine hundred eighty-seven".