8742295280 has 20 divisors (see below), whose sum is σ = 20325836712. Its totient is φ = 3496918080.

The previous prime is 8742295229. The next prime is 8742295283. The reversal of 8742295280 is 825922478.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8742295283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54639266 + ... + 54639425.

Almost surely, 2^8742295280 is an apocalyptic number.

8742295280 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8742295280 is an abundant number, since it is smaller than the sum of its proper divisors (11583541432).

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

8742295280 is a wasteful number, since it uses less digits than its factorization.

8742295280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109278704 (or 109278698 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 8742295280 is about 93500.2421387239. The cubic root of 8742295280 is about 2060.0376465926.

The spelling of 8742295280 in words is "eight billion, seven hundred forty-two million, two hundred ninety-five thousand, two hundred eighty".