88431925428 has 432 divisors, whose sum is σ = 290118786048. Its totient is φ = 22453200000.

The previous prime is 88431925423. The next prime is 88431925457. The reversal of 88431925428 is 82452913488.

88431925428 is a `hidden beast` number, since 8 + 8 + 4 + 3 + 1 + 92 + 542 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88431925423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 326316933 + ... + 326317203.

It is an arithmetic number, because the mean of its divisors is an integer number (671571264).

Almost surely, 2^88431925428 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 88431925428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145059393024).

88431925428 is an abundant number, since it is smaller than the sum of its proper divisors (201686860620).

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

88431925428 is a wasteful number, since it uses less digits than its factorization.

88431925428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624 (or 612 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The spelling of 88431925428 in words is "eighty-eight billion, four hundred thirty-one million, nine hundred twenty-five thousand, four hundred twenty-eight".