8102479343925 has 48 divisors (see below), whose sum is σ = 13580525586368. Its totient is φ = 4261837939200.

The previous prime is 8102479343923. The next prime is 8102479343929. The reversal of 8102479343925 is 5293439742018.

It is not a de Polignac number, because 8102479343925 - 2¹ = 8102479343923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8102479343923) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98744415 + ... + 98826435.

Almost surely, 2^{8102479343925} is an apocalyptic number.

It is an amenable number.

8102479343925 is a deficient number, since it is larger than the sum of its proper divisors (5478046242443).

8102479343925 is a wasteful number, since it uses less digits than its factorization.

8102479343925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100150 (or 100145 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 8102479343925 in words is "eight trillion, one hundred two billion, four hundred seventy-nine million, three hundred forty-three thousand, nine hundred twenty-five".