608881961 has 4 divisors (see below), whose sum is σ = 640928400. Its totient is φ = 576835524.

The previous prime is 608881951. The next prime is 608881969. The reversal of 608881961 is 169188806.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 608881961 - 2¹⁴ = 608865577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (608881969) 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, 16023191 + ... + 16023228.

It is an arithmetic number, because the mean of its divisors is an integer number (160232100).

Almost surely, 2^608881961 is an apocalyptic number.

It is an amenable number.

608881961 is a deficient number, since it is larger than the sum of its proper divisors (32046439).

608881961 is a wasteful number, since it uses less digits than its factorization.

608881961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32046438.

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 608881961 is about 24675.5336517774. The cubic root of 608881961 is about 847.5741495557.

The spelling of 608881961 in words is "six hundred eight million, eight hundred eighty-one thousand, nine hundred sixty-one".