2072577979 has 2 divisors, whose sum is σ = 2072577980. Its totient is φ = 2072577978.

The previous prime is 2072577961. The next prime is 2072577989. The reversal of 2072577979 is 9797752702.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2072577979 - 2⁷ = 2072577851 is a prime.

It is not a weakly prime, because it can be changed into another prime (2072577989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036288989 + 1036288990.

It is an arithmetic number, because the mean of its divisors is an integer number (1036288990).

Almost surely, 2^2072577979 is an apocalyptic number.

2072577979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2072577979 is an equidigital number, since it uses as much as digits as its factorization.

2072577979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3889620, while the sum is 55.

The square root of 2072577979 is about 45525.5749991145. The cubic root of 2072577979 is about 1274.9807463964.

The spelling of 2072577979 in words is "two billion, seventy-two million, five hundred seventy-seven thousand, nine hundred seventy-nine".