89720798 has 16 divisors (see below), whose sum is σ = 142683120. Its totient is φ = 42166656.

The previous prime is 89720773. The next prime is 89720837. The reversal of 89720798 is 89702798.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38408 + ... + 40676.

It is an arithmetic number, because the mean of its divisors is an integer number (8917695).

Almost surely, 2^89720798 is an apocalyptic number.

89720798 is a deficient number, since it is larger than the sum of its proper divisors (52962322).

89720798 is a wasteful number, since it uses less digits than its factorization.

89720798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451.

The product of its (nonzero) digits is 508032, while the sum is 50.

The square root of 89720798 is about 9472.1063127480. The cubic root of 89720798 is about 447.6765808546.

The spelling of 89720798 in words is "eighty-nine million, seven hundred twenty thousand, seven hundred ninety-eight".