98478651 has 4 divisors (see below), whose sum is σ = 131304872. Its totient is φ = 65652432.

The previous prime is 98478647. The next prime is 98478659. The reversal of 98478651 is 15687489.

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

It is not a de Polignac number, because 98478651 - 2² = 98478647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 98478651.

It is not an unprimeable number, because it can be changed into a prime (98478659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16413106 + ... + 16413111.

It is an arithmetic number, because the mean of its divisors is an integer number (32826218).

Almost surely, 2^98478651 is an apocalyptic number.

98478651 is a deficient number, since it is larger than the sum of its proper divisors (32826221).

98478651 is a wasteful number, since it uses less digits than its factorization.

98478651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32826220.

The product of its digits is 483840, while the sum is 48.

The square root of 98478651 is about 9923.6410152726. The cubic root of 98478651 is about 461.7930192950.

The spelling of 98478651 in words is "ninety-eight million, four hundred seventy-eight thousand, six hundred fifty-one".