7089808401 has 81 divisors (see below), whose sum is σ = 11873348721. Its totient is φ = 4073981184.

The previous prime is 7089808307. The next prime is 7089808403. The reversal of 7089808401 is 1048089807.

The square root of 7089808401 is 84201.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 64016001 + 7025792400 = 8001^2 + 83820^2 .

It is not a de Polignac number, because 7089808401 - 2⁹ = 7089807889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7089808403) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 55825200 + ... + 55825326.

Almost surely, 2^7089808401 is an apocalyptic number.

7089808401 is the 84201-st square number.

7089808401 is the 42101-st centered octagonal number.

It is an amenable number.

7089808401 is a deficient number, since it is larger than the sum of its proper divisors (4783540320).

7089808401 is a wasteful number, since it uses less digits than its factorization.

7089808401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The cubic root of 7089808401 is about 1921.0772673648.

The spelling of 7089808401 in words is "seven billion, eighty-nine million, eight hundred eight thousand, four hundred one".