63620089 has 4 divisors (see below), whose sum is σ = 68513956. Its totient is φ = 58726224.

The previous prime is 63620083. The next prime is 63620119. The reversal of 63620089 is 98002636.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25674489 + 37945600 = 5067^2 + 6160^2 .

It is a cyclic number.

It is not a de Polignac number, because 63620089 - 2¹⁷ = 63489017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63620083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2446914 + ... + 2446939.

It is an arithmetic number, because the mean of its divisors is an integer number (17128489).

Almost surely, 2^63620089 is an apocalyptic number.

It is an amenable number.

63620089 is a deficient number, since it is larger than the sum of its proper divisors (4893867).

63620089 is a wasteful number, since it uses less digits than its factorization.

63620089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893866.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 63620089 is about 7976.2202201293. The cubic root of 63620089 is about 399.2069474583.

The spelling of 63620089 in words is "sixty-three million, six hundred twenty thousand, eighty-nine".