98987891649022 has 8 divisors (see below), whose sum is σ = 148490578434456. Its totient is φ = 49491032170872.

The previous prime is 98987891649001. The next prime is 98987891649029. The reversal of 98987891649022 is 22094619878989.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98987891649029) 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, 1456784353 + ... + 1456852300.

It is an arithmetic number, because the mean of its divisors is an integer number (18561322304307).

Almost surely, 2^{98987891649022} is an apocalyptic number.

98987891649022 is a deficient number, since it is larger than the sum of its proper divisors (49502686785434).

98987891649022 is a wasteful number, since it uses less digits than its factorization.

98987891649022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913653642.

The product of its (nonzero) digits is 2257403904, while the sum is 82.

The spelling of 98987891649022 in words is "ninety-eight trillion, nine hundred eighty-seven billion, eight hundred ninety-one million, six hundred forty-nine thousand, twenty-two".