608172979 has 2 divisors, whose sum is σ = 608172980. Its totient is φ = 608172978.

The previous prime is 608172953. The next prime is 608173009. The reversal of 608172979 is 979271806.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 608172979 - 2⁵ = 608172947 is a prime.

It is not a weakly prime, because it can be changed into another prime (608172179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304086489 + 304086490.

It is an arithmetic number, because the mean of its divisors is an integer number (304086490).

Almost surely, 2^608172979 is an apocalyptic number.

608172979 is a deficient number, since it is larger than the sum of its proper divisors (1).

608172979 is an equidigital number, since it uses as much as digits as its factorization.

608172979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 608172979 is about 24661.1633748289. The cubic root of 608172979 is about 847.2450500804.

The spelling of 608172979 in words is "six hundred eight million, one hundred seventy-two thousand, nine hundred seventy-nine".