8072156625 has 32 divisors (see below), whose sum is σ = 14465313408. Its totient is φ = 3973982400.

The previous prime is 8072156527. The next prime is 8072156627. The reversal of 8072156625 is 5266512708.

8072156625 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8072156625 - 2¹⁶ = 8072091089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8072156627) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 823039 + ... + 832788.

It is an arithmetic number, because the mean of its divisors is an integer number (452041044).

Almost surely, 2^8072156625 is an apocalyptic number.

It is an amenable number.

8072156625 is a deficient number, since it is larger than the sum of its proper divisors (6393156783).

8072156625 is a wasteful number, since it uses less digits than its factorization.

8072156625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655858 (or 1655848 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 8072156625 is about 89845.1814233796. The cubic root of 8072156625 is about 2005.9950637331.

The spelling of 8072156625 in words is "eight billion, seventy-two million, one hundred fifty-six thousand, six hundred twenty-five".