780379801 has 2 divisors, whose sum is σ = 780379802. Its totient is φ = 780379800.

The previous prime is 780379759. The next prime is 780379813. The reversal of 780379801 is 108973087.

780379801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539354176 + 241025625 = 23224^2 + 15525^2 .

It is a cyclic number.

It is not a de Polignac number, because 780379801 - 2¹³ = 780371609 is a prime.

It is not a weakly prime, because it can be changed into another prime (780379601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390189900 + 390189901.

It is an arithmetic number, because the mean of its divisors is an integer number (390189901).

Almost surely, 2^780379801 is an apocalyptic number.

It is an amenable number.

780379801 is a deficient number, since it is larger than the sum of its proper divisors (1).

780379801 is an equidigital number, since it uses as much as digits as its factorization.

780379801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 780379801 is about 27935.2787886572. The cubic root of 780379801 is about 920.6657912955.

The spelling of 780379801 in words is "seven hundred eighty million, three hundred seventy-nine thousand, eight hundred one".