99078428748 has 144 divisors (see below), whose sum is σ = 255750112800. Its totient is φ = 29829316608.

The previous prime is 99078428699. The next prime is 99078428749. The reversal of 99078428748 is 84782487099.

It is not an unprimeable number, because it can be changed into a prime (99078428749) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48259290 + ... + 48261342.

It is an arithmetic number, because the mean of its divisors is an integer number (1776042450).

Almost surely, 2^99078428748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99078428748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127875056400).

99078428748 is an abundant number, since it is smaller than the sum of its proper divisors (156671684052).

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

99078428748 is a wasteful number, since it uses less digits than its factorization.

99078428748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588 (or 2573 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 66.

The spelling of 99078428748 in words is "ninety-nine billion, seventy-eight million, four hundred twenty-eight thousand, seven hundred forty-eight".