98876644421 has 8 divisors (see below), whose sum is σ = 101181267264. Its totient is φ = 96572256480.

The previous prime is 98876644367. The next prime is 98876644439. The reversal of 98876644421 is 12444667889.

It is a happy number.

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 98876644421 - 2⁶ = 98876644357 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98876644441) 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, 1021880 + ... + 1114446.

It is an arithmetic number, because the mean of its divisors is an integer number (12647658408).

Almost surely, 2^98876644421 is an apocalyptic number.

It is an amenable number.

98876644421 is a deficient number, since it is larger than the sum of its proper divisors (2304622843).

98876644421 is a wasteful number, since it uses less digits than its factorization.

98876644421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117451.

The product of its digits is 18579456, while the sum is 59.

The spelling of 98876644421 in words is "ninety-eight billion, eight hundred seventy-six million, six hundred forty-four thousand, four hundred twenty-one".