8662273520 has 20 divisors (see below), whose sum is σ = 20139786120. Its totient is φ = 3464909376.

The previous prime is 8662273507. The next prime is 8662273531. The reversal of 8662273520 is 253722668.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54139130 + ... + 54139289.

It is an arithmetic number, because the mean of its divisors is an integer number (1006989306).

Almost surely, 2^8662273520 is an apocalyptic number.

8662273520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8662273520 is an abundant number, since it is smaller than the sum of its proper divisors (11477512600).

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

8662273520 is a wasteful number, since it uses less digits than its factorization.

8662273520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108278432 (or 108278426 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 8662273520 is about 93071.3356517462. The cubic root of 8662273520 is about 2053.7329184770.

The spelling of 8662273520 in words is "eight billion, six hundred sixty-two million, two hundred seventy-three thousand, five hundred twenty".