4277262076661 has 20 divisors (see below), whose sum is σ = 4991025712800. Its totient is φ = 3665355055992.

The previous prime is 4277262076649. The next prime is 4277262076669. The reversal of 4277262076661 is 1666702627724.

It is a happy number.

It is not a de Polignac number, because 4277262076661 - 2²² = 4277257882357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4277262076597 and 4277262076606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4277262076669) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10016720 + ... + 10434998.

It is an arithmetic number, because the mean of its divisors is an integer number (249551285640).

Almost surely, 2^{4277262076661} is an apocalyptic number.

It is an amenable number.

4277262076661 is a deficient number, since it is larger than the sum of its proper divisors (713763636139).

4277262076661 is an frugal number, since it uses more digits than its factorization.

4277262076661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422566 (or 422545 counting only the distinct ones).

The product of its (nonzero) digits is 14224896, while the sum is 56.

The spelling of 4277262076661 in words is "four trillion, two hundred seventy-seven billion, two hundred sixty-two million, seventy-six thousand, six hundred sixty-one".