68276590591225 has 27 divisors (see below), whose sum is σ = 86293294299079. Its totient is φ = 53588963729600.

The previous prime is 68276590591211. The next prime is 68276590591241. The reversal of 68276590591225 is 52219509567286.

The square root of 68276590591225 is 8262965.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 64443437462889 + 3833153128336 = 8027667^2 + 1957844^2 .

It is not a de Polignac number, because 68276590591225 - 2²³ = 68276582202617 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2189670135 + ... + 2189701315.

Almost surely, 2^{68276590591225} is an apocalyptic number.

68276590591225 is the 8262965-th square number.

68276590591225 is the 4131483-rd centered octagonal number.

It is an amenable number.

68276590591225 is a deficient number, since it is larger than the sum of its proper divisors (18016703707854).

68276590591225 is an frugal number, since it uses more digits than its factorization.

68276590591225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62478 (or 31239 counting only the distinct ones).

The product of its (nonzero) digits is 163296000, while the sum is 67.

The spelling of 68276590591225 in words is "sixty-eight trillion, two hundred seventy-six billion, five hundred ninety million, five hundred ninety-one thousand, two hundred twenty-five".