7820963 has 2 divisors, whose sum is σ = 7820964. Its totient is φ = 7820962.

The previous prime is 7820957. The next prime is 7820971. The reversal of 7820963 is 3690287.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7820963 - 2⁴ = 7820947 is a prime.

It is a super-2 number, since 2×7820963² = 122334924494738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7820983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3910481 + 3910482.

It is an arithmetic number, because the mean of its divisors is an integer number (3910482).

Almost surely, 2^7820963 is an apocalyptic number.

7820963 is a deficient number, since it is larger than the sum of its proper divisors (1).

7820963 is an equidigital number, since it uses as much as digits as its factorization.

7820963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 7820963 is about 2796.5984695698. The cubic root of 7820963 is about 198.4967545739.

The spelling of 7820963 in words is "seven million, eight hundred twenty thousand, nine hundred sixty-three".