2620878097 has 2 divisors, whose sum is σ = 2620878098. Its totient is φ = 2620878096.

The previous prime is 2620878067. The next prime is 2620878109. The reversal of 2620878097 is 7908780262.

2620878097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2566840896 + 54037201 = 50664^2 + 7351^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620878097 - 2¹⁵ = 2620845329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2620878097.

It is not a weakly prime, because it can be changed into another prime (2620878067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310439048 + 1310439049.

It is an arithmetic number, because the mean of its divisors is an integer number (1310439049).

Almost surely, 2^2620878097 is an apocalyptic number.

It is an amenable number.

2620878097 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620878097 is an equidigital number, since it uses as much as digits as its factorization.

2620878097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 49.

The square root of 2620878097 is about 51194.5123719330. The cubic root of 2620878097 is about 1378.7396770581.

The spelling of 2620878097 in words is "two billion, six hundred twenty million, eight hundred seventy-eight thousand, ninety-seven".