60990089 has 4 divisors (see below), whose sum is σ = 63641856. Its totient is φ = 58338324.

The previous prime is 60990079. The next prime is 60990109. The reversal of 60990089 is 98009906.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98009906 = 2 ⋅49004953.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60990089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60990029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325849 + ... + 1325894.

It is an arithmetic number, because the mean of its divisors is an integer number (15910464).

Almost surely, 2^60990089 is an apocalyptic number.

It is an amenable number.

60990089 is a deficient number, since it is larger than the sum of its proper divisors (2651767).

60990089 is a wasteful number, since it uses less digits than its factorization.

60990089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651766.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 60990089 is about 7809.6151633739. The cubic root of 60990089 is about 393.6283976890.

The spelling of 60990089 in words is "sixty million, nine hundred ninety thousand, eighty-nine".