4287997508 has 6 divisors (see below), whose sum is σ = 7503995646. Its totient is φ = 2143998752.

The previous prime is 4287997487. The next prime is 4287997537. The reversal of 4287997508 is 8057997824.

It can be written as a sum of positive squares in only one way, i.e., 4106502724 + 181494784 = 64082^2 + 13472^2 .

It is a super-2 number, since 2×4287997508² = 36773845257228420128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535999685 + ... + 535999692.

It is an arithmetic number, because the mean of its divisors is an integer number (1250665941).

Almost surely, 2^4287997508 is an apocalyptic number.

It is an amenable number.

4287997508 is a deficient number, since it is larger than the sum of its proper divisors (3215998138).

4287997508 is a wasteful number, since it uses less digits than its factorization.

4287997508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071999381 (or 1071999379 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 59.

The square root of 4287997508 is about 65482.8031470859. The cubic root of 4287997508 is about 1624.6189254587.

The spelling of 4287997508 in words is "four billion, two hundred eighty-seven million, nine hundred ninety-seven thousand, five hundred eight".