26961231220770 has 64 divisors (see below), whose sum is σ = 80673606153216. Its totient is φ = 5602333759680.

The previous prime is 26961231220757. The next prime is 26961231220831. The reversal of 26961231220770 is 7702213216962.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5835762024 + ... + 5835766643.

It is an arithmetic number, because the mean of its divisors is an integer number (1260525096144).

Almost surely, 2^{26961231220770} is an apocalyptic number.

26961231220770 is an abundant number, since it is smaller than the sum of its proper divisors (53712374932446).

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

26961231220770 is a wasteful number, since it uses less digits than its factorization.

26961231220770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11671528695.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 26961231220770 in words is "twenty-six trillion, nine hundred sixty-one billion, two hundred thirty-one million, two hundred twenty thousand, seven hundred seventy".