2680111477 has 2 divisors, whose sum is σ = 2680111478. Its totient is φ = 2680111476.

The previous prime is 2680111463. The next prime is 2680111507. The reversal of 2680111477 is 7741110862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2191082481 + 489028996 = 46809^2 + 22114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2680111477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2680117477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340055738 + 1340055739.

It is an arithmetic number, because the mean of its divisors is an integer number (1340055739).

Almost surely, 2^2680111477 is an apocalyptic number.

It is an amenable number.

2680111477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680111477 is an equidigital number, since it uses as much as digits as its factorization.

2680111477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 2680111477 is about 51769.7930940428. The cubic root of 2680111477 is about 1389.0491706538.

The spelling of 2680111477 in words is "two billion, six hundred eighty million, one hundred eleven thousand, four hundred seventy-seven".