8723247125 has 32 divisors (see below), whose sum is σ = 11536892640. Its totient is φ = 6573504000.

The previous prime is 8723247107. The next prime is 8723247161. The reversal of 8723247125 is 5217423278.

It can be written as a sum of positive squares in 16 ways, for example, as 8040888241 + 682358884 = 89671^2 + 26122^2 .

It is not a de Polignac number, because 8723247125 - 2⁶ = 8723247061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119279 + ... + 177971.

It is an arithmetic number, because the mean of its divisors is an integer number (360527895).

Almost surely, 2^8723247125 is an apocalyptic number.

It is an amenable number.

8723247125 is a deficient number, since it is larger than the sum of its proper divisors (2813645515).

8723247125 is a wasteful number, since it uses less digits than its factorization.

8723247125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58778 (or 58768 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 8723247125 is about 93398.3250652816. The cubic root of 8723247125 is about 2058.5403872348.

The spelling of 8723247125 in words is "eight billion, seven hundred twenty-three million, two hundred forty-seven thousand, one hundred twenty-five".