3670778263 has 2 divisors, whose sum is σ = 3670778264. Its totient is φ = 3670778262.

The previous prime is 3670778249. The next prime is 3670778299. The reversal of 3670778263 is 3628770763.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3670778263 is a prime.

It is a super-2 number, since 2×3670778263² = 26949226112226594338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3670778963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1835389131 + 1835389132.

It is an arithmetic number, because the mean of its divisors is an integer number (1835389132).

Almost surely, 2^3670778263 is an apocalyptic number.

3670778263 is a deficient number, since it is larger than the sum of its proper divisors (1).

3670778263 is an equidigital number, since it uses as much as digits as its factorization.

3670778263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1778112, while the sum is 49.

The square root of 3670778263 is about 60586.9479591108. The cubic root of 3670778263 is about 1542.5978335712.

The spelling of 3670778263 in words is "three billion, six hundred seventy million, seven hundred seventy-eight thousand, two hundred sixty-three".