89978735 has 32 divisors (see below), whose sum is σ = 139276800. Its totient is φ = 54149760.

The previous prime is 89978711. The next prime is 89978753. The reversal of 89978735 is 53787998.

It is not a de Polignac number, because 89978735 - 2⁸ = 89978479 is a prime.

It is a super-3 number, since 3×89978735³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7136 + ... + 15194.

It is an arithmetic number, because the mean of its divisors is an integer number (4352400).

Almost surely, 2^89978735 is an apocalyptic number.

89978735 is a deficient number, since it is larger than the sum of its proper divisors (49298065).

89978735 is a wasteful number, since it uses less digits than its factorization.

89978735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111.

The product of its digits is 3810240, while the sum is 56.

The square root of 89978735 is about 9485.7121503870. The cubic root of 89978735 is about 448.1051766637.

The spelling of 89978735 in words is "eighty-nine million, nine hundred seventy-eight thousand, seven hundred thirty-five".