7856626801 has 2 divisors, whose sum is σ = 7856626802. Its totient is φ = 7856626800.

The previous prime is 7856626783. The next prime is 7856626819. The reversal of 7856626801 is 1086266587.

It is a balanced prime because it is at equal distance from previous prime (7856626783) and next prime (7856626819).

It can be written as a sum of positive squares in only one way, i.e., 5685160000 + 2171466801 = 75400^2 + 46599^2 .

It is a cyclic number.

It is not a de Polignac number, because 7856626801 - 2¹¹ = 7856624753 is a prime.

It is not a weakly prime, because it can be changed into another prime (7856626861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3928313400 + 3928313401.

It is an arithmetic number, because the mean of its divisors is an integer number (3928313401).

Almost surely, 2^7856626801 is an apocalyptic number.

It is an amenable number.

7856626801 is a deficient number, since it is larger than the sum of its proper divisors (1).

7856626801 is an equidigital number, since it uses as much as digits as its factorization.

7856626801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 7856626801 is about 88637.6150457581. The cubic root of 7856626801 is about 1987.9801396109.

The spelling of 7856626801 in words is "seven billion, eight hundred fifty-six million, six hundred twenty-six thousand, eight hundred one".