8627691425 has 6 divisors (see below), whose sum is σ = 10698337398. Its totient is φ = 6902153120.

The previous prime is 8627691419. The next prime is 8627691433. The reversal of 8627691425 is 5241967268.

It can be written as a sum of positive squares in 3 ways, for example, as 109139809 + 8518551616 = 10447^2 + 92296^2 .

It is not a de Polignac number, because 8627691425 - 2⁸ = 8627691169 is a prime.

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 172553804 + ... + 172553853.

It is an arithmetic number, because the mean of its divisors is an integer number (1783056233).

Almost surely, 2^8627691425 is an apocalyptic number.

It is an amenable number.

8627691425 is a deficient number, since it is larger than the sum of its proper divisors (2070645973).

8627691425 is a wasteful number, since it uses less digits than its factorization.

8627691425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345107667 (or 345107662 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 8627691425 is about 92885.3671199075. The cubic root of 8627691425 is about 2050.9962577794.

The spelling of 8627691425 in words is "eight billion, six hundred twenty-seven million, six hundred ninety-one thousand, four hundred twenty-five".