1486578979 has 2 divisors, whose sum is σ = 1486578980. Its totient is φ = 1486578978.

The previous prime is 1486578959. The next prime is 1486578983. The reversal of 1486578979 is 9798756841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1486578979 - 2⁷ = 1486578851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1486578979.

It is not a weakly prime, because it can be changed into another prime (1486578949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743289489 + 743289490.

It is an arithmetic number, because the mean of its divisors is an integer number (743289490).

Almost surely, 2^1486578979 is an apocalyptic number.

1486578979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1486578979 is an equidigital number, since it uses as much as digits as its factorization.

1486578979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 64.

The square root of 1486578979 is about 38556.1795176856. The cubic root of 1486578979 is about 1141.2899574246.

The spelling of 1486578979 in words is "one billion, four hundred eighty-six million, five hundred seventy-eight thousand, nine hundred seventy-nine".