2720253787 has 2 divisors, whose sum is σ = 2720253788. Its totient is φ = 2720253786.

The previous prime is 2720253671. The next prime is 2720253791. The reversal of 2720253787 is 7873520272.

2720253787 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 is a cyclic number.

It is not a de Polignac number, because 2720253787 - 2¹¹ = 2720251739 is a prime.

It is not a weakly prime, because it can be changed into another prime (2720253187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1360126893 + 1360126894.

It is an arithmetic number, because the mean of its divisors is an integer number (1360126894).

Almost surely, 2^2720253787 is an apocalyptic number.

2720253787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2720253787 is an equidigital number, since it uses as much as digits as its factorization.

2720253787 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 329280, while the sum is 43.

The square root of 2720253787 is about 52156.0522566653. The cubic root of 2720253787 is about 1395.9498226027.

The spelling of 2720253787 in words is "two billion, seven hundred twenty million, two hundred fifty-three thousand, seven hundred eighty-seven".