26071770772 has 6 divisors (see below), whose sum is σ = 45625598858. Its totient is φ = 13035885384.

The previous prime is 26071770743. The next prime is 26071770787. The reversal of 26071770772 is 27707717062.

It can be written as a sum of positive squares in only one way, i.e., 24596903556 + 1474867216 = 156834^2 + 38404^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3258971343 + ... + 3258971350.

Almost surely, 2^26071770772 is an apocalyptic number.

It is an amenable number.

26071770772 is a deficient number, since it is larger than the sum of its proper divisors (19553828086).

26071770772 is a wasteful number, since it uses less digits than its factorization.

26071770772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6517942697 (or 6517942695 counting only the distinct ones).

The product of its (nonzero) digits is 403368, while the sum is 46.

The spelling of 26071770772 in words is "twenty-six billion, seventy-one million, seven hundred seventy thousand, seven hundred seventy-two".