8725692417 has 16 divisors (see below), whose sum is σ = 12575447808. Its totient is φ = 5349836160.

The previous prime is 8725692407. The next prime is 8725692427. The reversal of 8725692417 is 7142965278.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8725692407) and next prime (8725692427).

It is not a de Polignac number, because 8725692417 - 2⁴ = 8725692401 is a prime.

It is a super-2 number, since 2×8725692417² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8725692417.

It is not an unprimeable number, because it can be changed into a prime (8725692407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402228 + ... + 423365.

It is an arithmetic number, because the mean of its divisors is an integer number (785965488).

Almost surely, 2^8725692417 is an apocalyptic number.

It is an amenable number.

8725692417 is a deficient number, since it is larger than the sum of its proper divisors (3849755391).

8725692417 is a wasteful number, since it uses less digits than its factorization.

8725692417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825880.

The product of its digits is 1693440, while the sum is 51.

The square root of 8725692417 is about 93411.4148110390. The cubic root of 8725692417 is about 2058.7327185991.

The spelling of 8725692417 in words is "eight billion, seven hundred twenty-five million, six hundred ninety-two thousand, four hundred seventeen".