98477778468 has 24 divisors (see below), whose sum is σ = 241875245920. Its totient is φ = 31098245760.

The previous prime is 98477778401. The next prime is 98477778481. The reversal of 98477778468 is 86487777489.

It is a self number, because there is not a number n which added to its sum of digits gives 98477778468.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215959813 + ... + 215960268.

Almost surely, 2^98477778468 is an apocalyptic number.

It is an amenable number.

98477778468 is an abundant number, since it is smaller than the sum of its proper divisors (143397467452).

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

98477778468 is a wasteful number, since it uses less digits than its factorization.

98477778468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431920107 (or 431920105 counting only the distinct ones).

The product of its digits is 1062125568, while the sum is 75.

The spelling of 98477778468 in words is "ninety-eight billion, four hundred seventy-seven million, seven hundred seventy-eight thousand, four hundred sixty-eight".