605097864 has 480 divisors, whose sum is σ = 2234628000. Its totient is φ = 151538688.

The previous prime is 605097853. The next prime is 605097887. The reversal of 605097864 is 468790506.

605097864 is a `hidden beast` number, since 60 + 509 + 7 + 86 + 4 = 666.

It is a super-2 number, since 2×605097864² = 732286850034724992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 10255867 + ... + 10255925.

It is an arithmetic number, because the mean of its divisors is an integer number (4655475).

Almost surely, 2^605097864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 605097864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1117314000).

605097864 is an abundant number, since it is smaller than the sum of its proper divisors (1629530136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

605097864 is a wasteful number, since it uses less digits than its factorization.

605097864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 605097864 is about 24598.7370407507. The cubic root of 605097864 is about 845.8146568475.

The spelling of 605097864 in words is "six hundred five million, ninety-seven thousand, eight hundred sixty-four".