2863720897 has 2 divisors, whose sum is σ = 2863720898. Its totient is φ = 2863720896.

The previous prime is 2863720859. The next prime is 2863720903. The reversal of 2863720897 is 7980273682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2834604081 + 29116816 = 53241^2 + 5396^2 .

It is a cyclic number.

It is not a de Polignac number, because 2863720897 - 2¹¹ = 2863718849 is a prime.

It is not a weakly prime, because it can be changed into another prime (2863720597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1431860448 + 1431860449.

It is an arithmetic number, because the mean of its divisors is an integer number (1431860449).

Almost surely, 2^2863720897 is an apocalyptic number.

It is an amenable number.

2863720897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2863720897 is an equidigital number, since it uses as much as digits as its factorization.

2863720897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2032128, while the sum is 52.

The square root of 2863720897 is about 53513.7449352968. The cubic root of 2863720897 is about 1420.0715590798.

The spelling of 2863720897 in words is "two billion, eight hundred sixty-three million, seven hundred twenty thousand, eight hundred ninety-seven".