8275128078 has 16 divisors (see below), whose sum is σ = 18914578560. Its totient is φ = 2364322296.

The previous prime is 8275128053. The next prime is 8275128079. The reversal of 8275128078 is 8708215728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8275128079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98513388 + ... + 98513471.

It is an arithmetic number, because the mean of its divisors is an integer number (1182161160).

Almost surely, 2^8275128078 is an apocalyptic number.

8275128078 is an abundant number, since it is smaller than the sum of its proper divisors (10639450482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8275128078 is a wasteful number, since it uses less digits than its factorization.

8275128078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197026871.

The product of its (nonzero) digits is 501760, while the sum is 48.

The square root of 8275128078 is about 90967.7309709328. The cubic root of 8275128078 is about 2022.6694177600.

The spelling of 8275128078 in words is "eight billion, two hundred seventy-five million, one hundred twenty-eight thousand, seventy-eight".