7879339801 has 2 divisors, whose sum is σ = 7879339802. Its totient is φ = 7879339800.

The previous prime is 7879339771. The next prime is 7879339813. The reversal of 7879339801 is 1089339787.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7828002576 + 51337225 = 88476^2 + 7165^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7879339801 is a prime.

It is not a weakly prime, because it can be changed into another prime (7879339001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3939669900 + 3939669901.

It is an arithmetic number, because the mean of its divisors is an integer number (3939669901).

Almost surely, 2^7879339801 is an apocalyptic number.

It is an amenable number.

7879339801 is a deficient number, since it is larger than the sum of its proper divisors (1).

7879339801 is an equidigital number, since it uses as much as digits as its factorization.

7879339801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2286144, while the sum is 55.

The square root of 7879339801 is about 88765.6453871654. The cubic root of 7879339801 is about 1989.8940038490.

The spelling of 7879339801 in words is "seven billion, eight hundred seventy-nine million, three hundred thirty-nine thousand, eight hundred one".