608789864 has 8 divisors (see below), whose sum is σ = 1141481010. Its totient is φ = 304394928.

The previous prime is 608789827. The next prime is 608789891. The reversal of 608789864 is 468987806.

It can be written as a sum of positive squares in only one way, i.e., 587092900 + 21696964 = 24230^2 + 4658^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38049359 + ... + 38049374.

Almost surely, 2^608789864 is an apocalyptic number.

It is an amenable number.

608789864 is a deficient number, since it is larger than the sum of its proper divisors (532691146).

608789864 is a wasteful number, since it uses less digits than its factorization.

608789864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76098739 (or 76098735 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 56.

The square root of 608789864 is about 24673.6674209571. The cubic root of 608789864 is about 847.5314138656.

The spelling of 608789864 in words is "six hundred eight million, seven hundred eighty-nine thousand, eight hundred sixty-four".