7955851801 has 2 divisors, whose sum is σ = 7955851802. Its totient is φ = 7955851800.

The previous prime is 7955851769. The next prime is 7955851901. The reversal of 7955851801 is 1081585597.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7867867401 + 87984400 = 88701^2 + 9380^2 .

It is an emirp because it is prime and its reverse (1081585597) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7955851801 - 2⁵ = 7955851769 is a prime.

It is not a weakly prime, because it can be changed into another prime (7955851901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3977925900 + 3977925901.

It is an arithmetic number, because the mean of its divisors is an integer number (3977925901).

Almost surely, 2^7955851801 is an apocalyptic number.

It is an amenable number.

7955851801 is a deficient number, since it is larger than the sum of its proper divisors (1).

7955851801 is an equidigital number, since it uses as much as digits as its factorization.

7955851801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504000, while the sum is 49.

The square root of 7955851801 is about 89195.5817347474. The cubic root of 7955851801 is about 1996.3141950101.

The spelling of 7955851801 in words is "seven billion, nine hundred fifty-five million, eight hundred fifty-one thousand, eight hundred one".