8777282340261 has 32 divisors (see below), whose sum is σ = 11793308958720. Its totient is φ = 5806598713344.

The previous prime is 8777282340257. The next prime is 8777282340311. The reversal of 8777282340261 is 1620432827778.

It is not a de Polignac number, because 8777282340261 - 2² = 8777282340257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8777282340161) 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, 253639386 + ... + 253673988.

It is an arithmetic number, because the mean of its divisors is an integer number (368540904960).

Almost surely, 2^{8777282340261} is an apocalyptic number.

It is an amenable number.

8777282340261 is a deficient number, since it is larger than the sum of its proper divisors (3016026618459).

8777282340261 is a wasteful number, since it uses less digits than its factorization.

8777282340261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36105.

The product of its (nonzero) digits is 12644352, while the sum is 57.

The spelling of 8777282340261 in words is "eight trillion, seven hundred seventy-seven billion, two hundred eighty-two million, three hundred forty thousand, two hundred sixty-one".