8101976425 has 6 divisors (see below), whose sum is σ = 10046450798. Its totient is φ = 6481581120.

The previous prime is 8101976417. The next prime is 8101976429. The reversal of 8101976425 is 5246791018.

It can be written as a sum of positive squares in 3 ways, for example, as 176703849 + 7925272576 = 13293^2 + 89024^2 .

It is not a de Polignac number, because 8101976425 - 2³ = 8101976417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8101976429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162039504 + ... + 162039553.

Almost surely, 2^8101976425 is an apocalyptic number.

It is an amenable number.

8101976425 is a deficient number, since it is larger than the sum of its proper divisors (1944474373).

8101976425 is a wasteful number, since it uses less digits than its factorization.

8101976425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324079067 (or 324079062 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 8101976425 is about 90010.9794691736. The cubic root of 8101976425 is about 2008.4621806688.

The spelling of 8101976425 in words is "eight billion, one hundred one million, nine hundred seventy-six thousand, four hundred twenty-five".