177079240979 has 2 divisors, whose sum is σ = 177079240980. Its totient is φ = 177079240978.

The previous prime is 177079240901. The next prime is 177079240993. The reversal of 177079240979 is 979042970771.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-177079240979 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (177079240279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88539620489 + 88539620490.

It is an arithmetic number, because the mean of its divisors is an integer number (88539620490).

Almost surely, 2^177079240979 is an apocalyptic number.

177079240979 is a deficient number, since it is larger than the sum of its proper divisors (1).

177079240979 is an equidigital number, since it uses as much as digits as its factorization.

177079240979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14002632, while the sum is 62.

The spelling of 177079240979 in words is "one hundred seventy-seven billion, seventy-nine million, two hundred forty thousand, nine hundred seventy-nine".