607961897 has 4 divisors (see below), whose sum is σ = 611048196. Its totient is φ = 604875600.

The previous prime is 607961891. The next prime is 607961903. The reversal of 607961897 is 798169706.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (607961891) and next prime (607961903).

It can be written as a sum of positive squares in 2 ways, for example, as 488365801 + 119596096 = 22099^2 + 10936^2 .

It is a cyclic number.

It is not a de Polignac number, because 607961897 - 2¹⁶ = 607896361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (607961891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542854 + ... + 1543247.

It is an arithmetic number, because the mean of its divisors is an integer number (152762049).

Almost surely, 2^607961897 is an apocalyptic number.

It is an amenable number.

607961897 is a deficient number, since it is larger than the sum of its proper divisors (3086299).

607961897 is a wasteful number, since it uses less digits than its factorization.

607961897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086298.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 607961897 is about 24656.8833594191. The cubic root of 607961897 is about 847.1470193775.

It can be divided in two parts, 6079 and 61897, that added together give a palindrome (67976).

The spelling of 607961897 in words is "six hundred seven million, nine hundred sixty-one thousand, eight hundred ninety-seven".