98767099621 has 4 divisors (see below), whose sum is σ = 98771896044. Its totient is φ = 98762303200.

The previous prime is 98767099603. The next prime is 98767099633. The reversal of 98767099621 is 12699076789.

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

It can be written as a sum of positive squares in 2 ways, for example, as 53169903396 + 45597196225 = 230586^2 + 213535^2 .

It is a cyclic number.

It is not a de Polignac number, because 98767099621 - 2⁵ = 98767099589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98767099661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2367190 + ... + 2408551.

It is an arithmetic number, because the mean of its divisors is an integer number (24692974011).

Almost surely, 2^98767099621 is an apocalyptic number.

It is an amenable number.

98767099621 is a deficient number, since it is larger than the sum of its proper divisors (4796423).

98767099621 is a wasteful number, since it uses less digits than its factorization.

98767099621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4796422.

The product of its (nonzero) digits is 20575296, while the sum is 64.

The spelling of 98767099621 in words is "ninety-eight billion, seven hundred sixty-seven million, ninety-nine thousand, six hundred twenty-one".