8707453840 has 40 divisors (see below), whose sum is σ = 20472316920. Its totient is φ = 3443844096.

The previous prime is 8707453837. The next prime is 8707453871. The reversal of 8707453840 is 483547078.

It can be written as a sum of positive squares in 4 ways, for example, as 146023056 + 8561430784 = 12084^2 + 92528^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604359 + ... + 618598.

It is an arithmetic number, because the mean of its divisors is an integer number (511807923).

Almost surely, 2^8707453840 is an apocalyptic number.

8707453840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8707453840 is an abundant number, since it is smaller than the sum of its proper divisors (11764863080).

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

8707453840 is a wasteful number, since it uses less digits than its factorization.

8707453840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223059 (or 1223053 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 46.

The square root of 8707453840 is about 93313.7387526617. The cubic root of 8707453840 is about 2057.2973197326.

The spelling of 8707453840 in words is "eight billion, seven hundred seven million, four hundred fifty-three thousand, eight hundred forty".