28542197376 has 576 divisors, whose sum is σ = 106752016800. Its totient is φ = 7234375680.

The previous prime is 28542197371. The next prime is 28542197401. The reversal of 28542197376 is 67379124582.

It is a happy number.

28542197376 is a `hidden beast` number, since 2 + 8 + 54 + 219 + 7 + 376 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is not an unprimeable number, because it can be changed into a prime (28542197371) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 26699370 + ... + 26700438.

Almost surely, 2^28542197376 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 28542197376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53376008400).

28542197376 is an abundant number, since it is smaller than the sum of its proper divisors (78209819424).

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

28542197376 is a wasteful number, since it uses less digits than its factorization.

28542197376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157 (or 1135 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 54.

The spelling of 28542197376 in words is "twenty-eight billion, five hundred forty-two million, one hundred ninety-seven thousand, three hundred seventy-six".