1827072979 has 2 divisors, whose sum is σ = 1827072980. Its totient is φ = 1827072978.

The previous prime is 1827072953. The next prime is 1827073007. The reversal of 1827072979 is 9792707281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1827072979 - 2¹³ = 1827064787 is a prime.

It is not a weakly prime, because it can be changed into another prime (1827072179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 913536489 + 913536490.

It is an arithmetic number, because the mean of its divisors is an integer number (913536490).

Almost surely, 2^1827072979 is an apocalyptic number.

1827072979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1827072979 is an equidigital number, since it uses as much as digits as its factorization.

1827072979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 889056, while the sum is 52.

The square root of 1827072979 is about 42744.2742247427. The cubic root of 1827072979 is about 1222.5087181739.

The spelling of 1827072979 in words is "one billion, eight hundred twenty-seven million, seventy-two thousand, nine hundred seventy-nine".