98678005 has 16 divisors (see below), whose sum is σ = 119775600. Its totient is φ = 78041088.

The previous prime is 98677993. The next prime is 98678023. The reversal of 98678005 is 50087689.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3556996 + 95121009 = 1886^2 + 9753^2 .

It is a cyclic number.

It is not a de Polignac number, because 98678005 - 2¹⁹ = 98153717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282571 + ... + 282919.

It is an arithmetic number, because the mean of its divisors is an integer number (7485975).

Almost surely, 2^98678005 is an apocalyptic number.

It is an amenable number.

98678005 is a deficient number, since it is larger than the sum of its proper divisors (21097595).

98678005 is a wasteful number, since it uses less digits than its factorization.

98678005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 98678005 is about 9933.6803351024. The cubic root of 98678005 is about 462.1044175323.

The spelling of 98678005 in words is "ninety-eight million, six hundred seventy-eight thousand, five".