508987268 has 6 divisors (see below), whose sum is σ = 890727726. Its totient is φ = 254493632.

The previous prime is 508987267. The next prime is 508987301. The reversal of 508987268 is 862789805.

It can be written as a sum of positive squares in only one way, i.e., 508863364 + 123904 = 22558^2 + 352^2 .

It is a super-2 number, since 2×508987268² = 518136077972207648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (508987267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63623405 + ... + 63623412.

It is an arithmetic number, because the mean of its divisors is an integer number (148454621).

Almost surely, 2^508987268 is an apocalyptic number.

It is an amenable number.

508987268 is a deficient number, since it is larger than the sum of its proper divisors (381740458).

508987268 is a wasteful number, since it uses less digits than its factorization.

508987268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127246821 (or 127246819 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 53.

The square root of 508987268 is about 22560.7461756033. The cubic root of 508987268 is about 798.4277809331.

The spelling of 508987268 in words is "five hundred eight million, nine hundred eighty-seven thousand, two hundred sixty-eight".