787025879 has 2 divisors, whose sum is σ = 787025880. Its totient is φ = 787025878.

The previous prime is 787025851. The next prime is 787025909. The reversal of 787025879 is 978520787.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-787025879 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 787025879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (787025279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 393512939 + 393512940.

It is an arithmetic number, because the mean of its divisors is an integer number (393512940).

Almost surely, 2^787025879 is an apocalyptic number.

787025879 is a deficient number, since it is larger than the sum of its proper divisors (1).

787025879 is an equidigital number, since it uses as much as digits as its factorization.

787025879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1975680, while the sum is 53.

The square root of 787025879 is about 28053.9815177810. The cubic root of 787025879 is about 923.2720129255.

The spelling of 787025879 in words is "seven hundred eighty-seven million, twenty-five thousand, eight hundred seventy-nine".