2088807421 has 2 divisors, whose sum is σ = 2088807422. Its totient is φ = 2088807420.

The previous prime is 2088807403. The next prime is 2088807449. The reversal of 2088807421 is 1247088802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1719014521 + 369792900 = 41461^2 + 19230^2 .

It is a cyclic number.

It is not a de Polignac number, because 2088807421 - 2⁷ = 2088807293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2088807401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1044403710 + 1044403711.

It is an arithmetic number, because the mean of its divisors is an integer number (1044403711).

Almost surely, 2^2088807421 is an apocalyptic number.

It is an amenable number.

2088807421 is a deficient number, since it is larger than the sum of its proper divisors (1).

2088807421 is an equidigital number, since it uses as much as digits as its factorization.

2088807421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 2088807421 is about 45703.4727455146. The cubic root of 2088807421 is about 1278.3000343345.

The spelling of 2088807421 in words is "two billion, eighty-eight million, eight hundred seven thousand, four hundred twenty-one".