8725123715 has 128 divisors (see below), whose sum is σ = 14347653120. Its totient is φ = 4931942400.

The previous prime is 8725123691. The next prime is 8725123723. The reversal of 8725123715 is 5173215278.

It is not a de Polignac number, because 8725123715 - 2⁶ = 8725123651 is a prime.

It is a super-2 number, since 2×8725123715² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15664217 + ... + 15664773.

It is an arithmetic number, because the mean of its divisors is an integer number (112091040).

Almost surely, 2^8725123715 is an apocalyptic number.

8725123715 is a deficient number, since it is larger than the sum of its proper divisors (5622529405).

8725123715 is a wasteful number, since it uses less digits than its factorization.

8725123715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693.

The product of its digits is 117600, while the sum is 41.

The square root of 8725123715 is about 93408.3706902117. The cubic root of 8725123715 is about 2058.6879912661.

The spelling of 8725123715 in words is "eight billion, seven hundred twenty-five million, one hundred twenty-three thousand, seven hundred fifteen".