690160587 has 4 divisors (see below), whose sum is σ = 920214120. Its totient is φ = 460107056.

The previous prime is 690160571. The next prime is 690160591. The reversal of 690160587 is 785061096.

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 690160587 - 2⁴ = 690160571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (690160507) 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, 115026762 + ... + 115026767.

It is an arithmetic number, because the mean of its divisors is an integer number (230053530).

Almost surely, 2^690160587 is an apocalyptic number.

690160587 is a deficient number, since it is larger than the sum of its proper divisors (230053533).

690160587 is a wasteful number, since it uses less digits than its factorization.

690160587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230053532.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 690160587 is about 26270.9076166013. The cubic root of 690160587 is about 883.7241393869.

The spelling of 690160587 in words is "six hundred ninety million, one hundred sixty thousand, five hundred eighty-seven".