98735897 has 8 divisors (see below), whose sum is σ = 107273544. Its totient is φ = 90332928.

The previous prime is 98735891. The next prime is 98735909. The reversal of 98735897 is 79853789.

It can be written as a sum of positive squares in 4 ways, for example, as 1042441 + 97693456 = 1021^2 + 9884^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98735897 - 2²² = 94541593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (98735891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32138 + ... + 35075.

It is an arithmetic number, because the mean of its divisors is an integer number (13409193).

Almost surely, 2^98735897 is an apocalyptic number.

It is an amenable number.

98735897 is a deficient number, since it is larger than the sum of its proper divisors (8537647).

98735897 is a wasteful number, since it uses less digits than its factorization.

98735897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67339.

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

The square root of 98735897 is about 9936.5938328987. The cubic root of 98735897 is about 462.1947683625.

The spelling of 98735897 in words is "ninety-eight million, seven hundred thirty-five thousand, eight hundred ninety-seven".