1027078278567 has 32 divisors (see below), whose sum is σ = 1574320237056. Its totient is φ = 589512528000.

The previous prime is 1027078278539. The next prime is 1027078278571. The reversal of 1027078278567 is 7658728707201.

It is not a de Polignac number, because 1027078278567 - 2⁶ = 1027078278503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1027078278567.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027078278587) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6622348 + ... + 6775665.

It is an arithmetic number, because the mean of its divisors is an integer number (49197507408).

Almost surely, 2^{1027078278567} is an apocalyptic number.

1027078278567 is a deficient number, since it is larger than the sum of its proper divisors (547241958489).

1027078278567 is a wasteful number, since it uses less digits than its factorization.

1027078278567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13398151.

The product of its (nonzero) digits is 18439680, while the sum is 60.

The spelling of 1027078278567 in words is "one trillion, twenty-seven billion, seventy-eight million, two hundred seventy-eight thousand, five hundred sixty-seven".