7636078643 has 2 divisors, whose sum is σ = 7636078644. Its totient is φ = 7636078642.

The previous prime is 7636078633. The next prime is 7636078657. The reversal of 7636078643 is 3468706367.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7636078643 - 2³⁰ = 6562336819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7636078591 and 7636078600.

It is not a weakly prime, because it can be changed into another prime (7636078633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3818039321 + 3818039322.

It is an arithmetic number, because the mean of its divisors is an integer number (3818039322).

Almost surely, 2^7636078643 is an apocalyptic number.

7636078643 is a deficient number, since it is larger than the sum of its proper divisors (1).

7636078643 is an equidigital number, since it uses as much as digits as its factorization.

7636078643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 50.

The square root of 7636078643 is about 87384.6590827017. The cubic root of 7636078643 is about 1969.2013771823.

The spelling of 7636078643 in words is "seven billion, six hundred thirty-six million, seventy-eight thousand, six hundred forty-three".