1520846879 has 2 divisors, whose sum is σ = 1520846880. Its totient is φ = 1520846878.

The previous prime is 1520846813. The next prime is 1520846881. The reversal of 1520846879 is 9786480251.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1520846879 - 2²⁸ = 1252411423 is a prime.

Together with 1520846881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1520843879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 760423439 + 760423440.

It is an arithmetic number, because the mean of its divisors is an integer number (760423440).

Almost surely, 2^1520846879 is an apocalyptic number.

1520846879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1520846879 is an equidigital number, since it uses as much as digits as its factorization.

1520846879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 1520846879 is about 38998.0368608472. The cubic root of 1520846879 is about 1149.9929121176.

The spelling of 1520846879 in words is "one billion, five hundred twenty million, eight hundred forty-six thousand, eight hundred seventy-nine".