7856101625 has 16 divisors (see below), whose sum is σ = 10381147920. Its totient is φ = 5915180800.

The previous prime is 7856101621. The next prime is 7856101657. The reversal of 7856101625 is 5261016587.

It can be written as a sum of positive squares in 8 ways, for example, as 2232751504 + 5623350121 = 47252^2 + 74989^2 .

It is not a de Polignac number, because 7856101625 - 2² = 7856101621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7856101621) 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, 1846370 + ... + 1850619.

It is an arithmetic number, because the mean of its divisors is an integer number (648821745).

Almost surely, 2^7856101625 is an apocalyptic number.

It is an amenable number.

7856101625 is a deficient number, since it is larger than the sum of its proper divisors (2525046295).

7856101625 is a wasteful number, since it uses less digits than its factorization.

7856101625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697021 (or 3697011 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 7856101625 is about 88634.6525067933. The cubic root of 7856101625 is about 1987.9358431315.

The spelling of 7856101625 in words is "seven billion, eight hundred fifty-six million, one hundred one thousand, six hundred twenty-five".