84789508 has 6 divisors (see below), whose sum is σ = 148381646. Its totient is φ = 42394752.

The previous prime is 84789491. The next prime is 84789527. The reversal of 84789508 is 80598748.

It can be written as a sum of positive squares in only one way, i.e., 66879684 + 17909824 = 8178^2 + 4232^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10598685 + ... + 10598692.

Almost surely, 2^84789508 is an apocalyptic number.

It is an amenable number.

84789508 is a deficient number, since it is larger than the sum of its proper divisors (63592138).

84789508 is a wasteful number, since it uses less digits than its factorization.

84789508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21197381 (or 21197379 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 84789508 is about 9208.1218497585. The cubic root of 84789508 is about 439.3197270259.

The spelling of 84789508 in words is "eighty-four million, seven hundred eighty-nine thousand, five hundred eight".