98678916421 has 8 divisors (see below), whose sum is σ = 98977362624. Its totient is φ = 98380914720.

The previous prime is 98678916389. The next prime is 98678916463. The reversal of 98678916421 is 12461987689.

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 98678916421 - 2⁵ = 98678916389 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 98678916421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98678916521) 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, 336256 + ... + 557158.

It is an arithmetic number, because the mean of its divisors is an integer number (12372170328).

Almost surely, 2^98678916421 is an apocalyptic number.

It is an amenable number.

98678916421 is a deficient number, since it is larger than the sum of its proper divisors (298446203).

98678916421 is a wasteful number, since it uses less digits than its factorization.

98678916421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222251.

The product of its digits is 10450944, while the sum is 61.

The spelling of 98678916421 in words is "ninety-eight billion, six hundred seventy-eight million, nine hundred sixteen thousand, four hundred twenty-one".