98678449692 has 48 divisors (see below), whose sum is σ = 257131717920. Its totient is φ = 32725840896.

The previous prime is 98678449687. The next prime is 98678449693. The reversal of 98678449692 is 29694487689.

98678449692 is a `hidden beast` number, since 98 + 6 + 7 + 8 + 449 + 6 + 92 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 98678449692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98678449693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2297733 + ... + 2340284.

It is an arithmetic number, because the mean of its divisors is an integer number (5356910790).

Almost surely, 2^98678449692 is an apocalyptic number.

It is an amenable number.

98678449692 is an abundant number, since it is smaller than the sum of its proper divisors (158453268228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98678449692 is a wasteful number, since it uses less digits than its factorization.

98678449692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4638227 (or 4638219 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 72.

The spelling of 98678449692 in words is "ninety-eight billion, six hundred seventy-eight million, four hundred forty-nine thousand, six hundred ninety-two".