2863785997 has 2 divisors, whose sum is σ = 2863785998. Its totient is φ = 2863785996.

The previous prime is 2863785907. The next prime is 2863786033. The reversal of 2863785997 is 7995873682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2692987236 + 170798761 = 51894^2 + 13069^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2863785997 is a prime.

It is a super-2 number, since 2×2863785997² = 16402540473226568018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2863785907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1431892998 + 1431892999.

It is an arithmetic number, because the mean of its divisors is an integer number (1431892999).

Almost surely, 2^2863785997 is an apocalyptic number.

It is an amenable number.

2863785997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2863785997 is an equidigital number, since it uses as much as digits as its factorization.

2863785997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45722880, while the sum is 64.

The square root of 2863785997 is about 53514.3531867853. The cubic root of 2863785997 is about 1420.0823196673.

The spelling of 2863785997 in words is "two billion, eight hundred sixty-three million, seven hundred eighty-five thousand, nine hundred ninety-seven".