1579874047 has 2 divisors, whose sum is σ = 1579874048. Its totient is φ = 1579874046.

The previous prime is 1579874011. The next prime is 1579874059. The reversal of 1579874047 is 7404789751.

It is a strong prime.

It is an emirp because it is prime and its reverse (7404789751) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1579874047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1579873985 and 1579874003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1579874147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789937023 + 789937024.

It is an arithmetic number, because the mean of its divisors is an integer number (789937024).

Almost surely, 2^1579874047 is an apocalyptic number.

1579874047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1579874047 is an equidigital number, since it uses as much as digits as its factorization.

1579874047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 52.

The square root of 1579874047 is about 39747.6294513270. The cubic root of 1579874047 is about 1164.6823345053.

The spelling of 1579874047 in words is "one billion, five hundred seventy-nine million, eight hundred seventy-four thousand, forty-seven".