502740987 has 16 divisors (see below), whose sum is σ = 780537600. Its totient is φ = 281859552.

The previous prime is 502740977. The next prime is 502740991. The reversal of 502740987 is 789047205.

It is not a de Polignac number, because 502740987 - 2¹⁹ = 502216699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (502740967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224737 + ... + 226962.

It is an arithmetic number, because the mean of its divisors is an integer number (48783600).

Almost surely, 2^502740987 is an apocalyptic number.

502740987 is a deficient number, since it is larger than the sum of its proper divisors (277796613).

502740987 is a wasteful number, since it uses less digits than its factorization.

502740987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451762.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 502740987 is about 22421.8863390215. The cubic root of 502740987 is about 795.1482323176.

The spelling of 502740987 in words is "five hundred two million, seven hundred forty thousand, nine hundred eighty-seven".