8125312077 has 12 divisors (see below), whose sum is σ = 11740214304. Its totient is φ = 5415189000.

The previous prime is 8125312067. The next prime is 8125312079. The reversal of 8125312077 is 7702135218.

It is not a de Polignac number, because 8125312077 - 2³² = 3830344781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8125312079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109593 + ... + 168110.

It is an arithmetic number, because the mean of its divisors is an integer number (978351192).

Almost surely, 2^8125312077 is an apocalyptic number.

It is an amenable number.

8125312077 is a deficient number, since it is larger than the sum of its proper divisors (3614902227).

8125312077 is a wasteful number, since it uses less digits than its factorization.

8125312077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280960 (or 280957 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 8125312077 is about 90140.5129617088. The cubic root of 8125312077 is about 2010.3886179605.

The spelling of 8125312077 in words is "eight billion, one hundred twenty-five million, three hundred twelve thousand, seventy-seven".